38772631 has 8 divisors (see below), whose sum is σ = 41331600. Its totient is φ = 36244608.

The previous prime is 38772619. The next prime is 38772659. The reversal of 38772631 is 13627783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38772631 - 2²³ = 30384023 is a prime.

It is a super-2 number, since 2×38772631² = 3006633829324322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38772611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5121 + ... + 10186.

It is an arithmetic number, because the mean of its divisors is an integer number (5166450).

Almost surely, 2^38772631 is an apocalyptic number.

38772631 is a deficient number, since it is larger than the sum of its proper divisors (2558969).

38772631 is a wasteful number, since it uses less digits than its factorization.

38772631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15473.

The product of its digits is 42336, while the sum is 37.

The square root of 38772631 is about 6226.7672993296. The cubic root of 38772631 is about 338.4608369171.

The spelling of 38772631 in words is "thirty-eight million, seven hundred seventy-two thousand, six hundred thirty-one".