38861272 has 8 divisors (see below), whose sum is σ = 72864900. Its totient is φ = 19430632.

The previous prime is 38861267. The next prime is 38861279. The reversal of 38861272 is 27216883.

38861272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×38861272² = 3020396922915968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38861279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428822 + ... + 2428837.

Almost surely, 2^38861272 is an apocalyptic number.

It is an amenable number.

38861272 is a deficient number, since it is larger than the sum of its proper divisors (34003628).

38861272 is a wasteful number, since it uses less digits than its factorization.

38861272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857665 (or 4857661 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 38861272 is about 6233.8809741605. The cubic root of 38861272 is about 338.7185674552.

The spelling of 38861272 in words is "thirty-eight million, eight hundred sixty-one thousand, two hundred seventy-two".