374981644 has 12 divisors (see below), whose sum is σ = 690755800. Its totient is φ = 177622848.

The previous prime is 374981623. The next prime is 374981657. The reversal of 374981644 is 446189473.

It is a super-2 number, since 2×374981644² = 281222466673885472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 374981594 and 374981603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2466909 + ... + 2467060.

Almost surely, 2^374981644 is an apocalyptic number.

It is an amenable number.

374981644 is a deficient number, since it is larger than the sum of its proper divisors (315774156).

374981644 is a wasteful number, since it uses less digits than its factorization.

374981644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933992 (or 4933990 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 374981644 is about 19364.4427753550. The cubic root of 374981644 is about 721.1130187692.

The spelling of 374981644 in words is "three hundred seventy-four million, nine hundred eighty-one thousand, six hundred forty-four".