38451172 has 12 divisors (see below), whose sum is σ = 67334400. Its totient is φ = 19212776.

The previous prime is 38451157. The next prime is 38451173. The reversal of 38451172 is 27115483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38451173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7593 + ... + 11599.

It is an arithmetic number, because the mean of its divisors is an integer number (5611200).

Almost surely, 2^38451172 is an apocalyptic number.

It is an amenable number.

38451172 is a deficient number, since it is larger than the sum of its proper divisors (28883228).

38451172 is a wasteful number, since it uses less digits than its factorization.

38451172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410 (or 6408 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 38451172 is about 6200.9009022883. The cubic root of 38451172 is about 337.5228611858.

The spelling of 38451172 in words is "thirty-eight million, four hundred fifty-one thousand, one hundred seventy-two".