38470428 has 36 divisors (see below), whose sum is σ = 98345520. Its totient is φ = 12678336.

The previous prime is 38470403. The next prime is 38470447. The reversal of 38470428 is 82407483.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 38470392 and 38470401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2800 + ... + 9207.

It is an arithmetic number, because the mean of its divisors is an integer number (2731820).

Almost surely, 2^38470428 is an apocalyptic number.

It is an amenable number.

38470428 is an abundant number, since it is smaller than the sum of its proper divisors (59875092).

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

38470428 is a wasteful number, since it uses less digits than its factorization.

38470428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12106 (or 12101 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 38470428 is about 6202.4533855564. The cubic root of 38470428 is about 337.5791945842.

The spelling of 38470428 in words is "thirty-eight million, four hundred seventy thousand, four hundred twenty-eight".