374497889 has 4 divisors (see below), whose sum is σ = 374635524. Its totient is φ = 374360256.

The previous prime is 374497873. The next prime is 374497897. The reversal of 374497889 is 988794473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988794473 = 1093 ⋅904661.

It can be written as a sum of positive squares in 2 ways, for example, as 39790864 + 334707025 = 6308^2 + 18295^2 .

It is a cyclic number.

It is not a de Polignac number, because 374497889 - 2⁴ = 374497873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374497819) 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, 64652 + ... + 70205.

It is an arithmetic number, because the mean of its divisors is an integer number (93658881).

Almost surely, 2^374497889 is an apocalyptic number.

It is an amenable number.

374497889 is a deficient number, since it is larger than the sum of its proper divisors (137635).

374497889 is a wasteful number, since it uses less digits than its factorization.

374497889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137634.

The product of its digits is 12192768, while the sum is 59.

The square root of 374497889 is about 19351.9479381276. The cubic root of 374497889 is about 720.8027883419.

The spelling of 374497889 in words is "three hundred seventy-four million, four hundred ninety-seven thousand, eight hundred eighty-nine".