38903472 has 30 divisors (see below), whose sum is σ = 108876092. Its totient is φ = 12967776.

The previous prime is 38903467. The next prime is 38903477. The reversal of 38903472 is 27430983.

It is an interprime number because it is at equal distance from previous prime (38903467) and next prime (38903477).

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

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38903477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134938 + ... + 135225.

Almost surely, 2^38903472 is an apocalyptic number.

It is an amenable number.

38903472 is an abundant number, since it is smaller than the sum of its proper divisors (69972620).

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

38903472 is a wasteful number, since it uses less digits than its factorization.

38903472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270177 (or 270168 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 38903472 is about 6237.2647851442. The cubic root of 38903472 is about 338.8411295154.

The spelling of 38903472 in words is "thirty-eight million, nine hundred three thousand, four hundred seventy-two".