38961472 has 28 divisors (see below), whose sum is σ = 84344256. Its totient is φ = 17709440.

The previous prime is 38961469. The next prime is 38961491. The reversal of 38961472 is 27416983.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26968 + ... + 28375.

Almost surely, 2^38961472 is an apocalyptic number.

38961472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38961472 is an abundant number, since it is smaller than the sum of its proper divisors (45382784).

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

38961472 is a wasteful number, since it uses less digits than its factorization.

38961472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55366 (or 55356 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 38961472 is about 6241.9125274230. The cubic root of 38961472 is about 339.0094352047.

The spelling of 38961472 in words is "thirty-eight million, nine hundred sixty-one thousand, four hundred seventy-two".