371376989 has 4 divisors (see below), whose sum is σ = 378384156. Its totient is φ = 364369824.

The previous prime is 371376961. The next prime is 371377001. The reversal of 371376989 is 989673173.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 989673173 = 17 ⋅58216069.

It can be written as a sum of positive squares in 2 ways, for example, as 142611364 + 228765625 = 11942^2 + 15125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-371376989 is a prime.

It is a super-2 number, since 2×371376989² = 275841735917412242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 7007113 = 371376989 / (3 + 7 + 1 + 3 + 7 + 6 + 9 + 8 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 371376989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (371376949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3503504 + ... + 3503609.

It is an arithmetic number, because the mean of its divisors is an integer number (94596039).

Almost surely, 2^371376989 is an apocalyptic number.

It is an amenable number.

371376989 is a deficient number, since it is larger than the sum of its proper divisors (7007167).

371376989 is an equidigital number, since it uses as much as digits as its factorization.

371376989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7007166.

The product of its digits is 1714608, while the sum is 53.

The square root of 371376989 is about 19271.1439463256. The cubic root of 371376989 is about 718.7949163713.

The spelling of 371376989 in words is "three hundred seventy-one million, three hundred seventy-six thousand, nine hundred eighty-nine".