376889861 has 4 divisors (see below), whose sum is σ = 377388492. Its totient is φ = 376391232.

The previous prime is 376889857. The next prime is 376889869. The reversal of 376889861 is 168988673.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243048100 + 133841761 = 15590^2 + 11569^2 .

It is a cyclic number.

It is not a de Polignac number, because 376889861 - 2² = 376889857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 376889797 and 376889806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376889869) 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, 248180 + ... + 249693.

It is an arithmetic number, because the mean of its divisors is an integer number (94347123).

Almost surely, 2^376889861 is an apocalyptic number.

It is an amenable number.

376889861 is a deficient number, since it is larger than the sum of its proper divisors (498631).

376889861 is an equidigital number, since it uses as much as digits as its factorization.

376889861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498630.

The product of its digits is 3483648, while the sum is 56.

The square root of 376889861 is about 19413.6514082230. The cubic root of 376889861 is about 722.3341563691.

The spelling of 376889861 in words is "three hundred seventy-six million, eight hundred eighty-nine thousand, eight hundred sixty-one".