38321472 has 56 divisors (see below), whose sum is σ = 115880896. Its totient is φ = 10948608.

The previous prime is 38321453. The next prime is 38321483. The reversal of 38321472 is 27412383.

It is a tau number, because it is divible by the number of its divisors (56).

It is a nude number because it is divisible by every one of its digits.

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

It is a congruent 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, 12913 + ... + 15600.

Almost surely, 2^38321472 is an apocalyptic number.

38321472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38321472 is an abundant number, since it is smaller than the sum of its proper divisors (77559424).

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

38321472 is a wasteful number, since it uses less digits than its factorization.

38321472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28535 (or 28525 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 38321472 is about 6190.4339104783. The cubic root of 38321472 is about 337.1429332020.

The spelling of 38321472 in words is "thirty-eight million, three hundred twenty-one thousand, four hundred seventy-two".