38402928 has 30 divisors (see below), whose sum is σ = 107475264. Its totient is φ = 12800928.

The previous prime is 38402879. The next prime is 38402941. The reversal of 38402928 is 82920483.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 38402892 and 38402901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133200 + ... + 133487.

Almost surely, 2^38402928 is an apocalyptic number.

It is an amenable number.

38402928 is an abundant number, since it is smaller than the sum of its proper divisors (69072336).

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

38402928 is a wasteful number, since it uses less digits than its factorization.

38402928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266701 (or 266692 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 38402928 is about 6197.0096014126. The cubic root of 38402928 is about 337.3816408015.

The spelling of 38402928 in words is "thirty-eight million, four hundred two thousand, nine hundred twenty-eight".