38057420 has 24 divisors (see below), whose sum is σ = 81049248. Its totient is φ = 15008000.

The previous prime is 38057401. The next prime is 38057447. The reversal of 38057420 is 2475083.

It is a happy number.

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, 11981 + ... + 14820.

It is an arithmetic number, because the mean of its divisors is an integer number (3377052).

Almost surely, 2^38057420 is an apocalyptic number.

It is an amenable number.

38057420 is an abundant number, since it is smaller than the sum of its proper divisors (42991828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38057420 is a wasteful number, since it uses less digits than its factorization.

38057420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26881 (or 26879 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 38057420 is about 6169.0696219122. The cubic root of 38057420 is about 336.3667928517.

The spelling of 38057420 in words is "thirty-eight million, fifty-seven thousand, four hundred twenty".