379820428 has 24 divisors (see below), whose sum is σ = 716738288. Its totient is φ = 175075776.

The previous prime is 379820407. The next prime is 379820437. The reversal of 379820428 is 824028973.

It is a happy number.

It is a super-2 number, since 2×379820428² = 288527115052206368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40075 + ... + 48637.

Almost surely, 2^379820428 is an apocalyptic number.

It is an amenable number.

379820428 is a deficient number, since it is larger than the sum of its proper divisors (336917860).

379820428 is a wasteful number, since it uses less digits than its factorization.

379820428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9433 (or 9431 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 379820428 is about 19488.9822207318. The cubic root of 379820428 is about 724.2015326755.

The spelling of 379820428 in words is "three hundred seventy-nine million, eight hundred twenty thousand, four hundred twenty-eight".