38872585 has 12 divisors (see below), whose sum is σ = 47651652. Its totient is φ = 30431648.

The previous prime is 38872583. The next prime is 38872609. The reversal of 38872585 is 58527883.

It can be written as a sum of positive squares in 2 ways, for example, as 21123216 + 17749369 = 4596^2 + 4213^2 .

It is not a de Polignac number, because 38872585 - 2¹ = 38872583 is a prime.

It is a super-2 number, since 2×38872585² = 3022155729164450, 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 (38872583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101304 + ... + 101686.

It is an arithmetic number, because the mean of its divisors is an integer number (3970971).

Almost surely, 2^38872585 is an apocalyptic number.

It is an amenable number.

38872585 is a deficient number, since it is larger than the sum of its proper divisors (8779067).

38872585 is an frugal number, since it uses more digits than its factorization.

38872585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 441 counting only the distinct ones).

The product of its digits is 537600, while the sum is 46.

The square root of 38872585 is about 6234.7882883062. The cubic root of 38872585 is about 338.7514326632.

The spelling of 38872585 in words is "thirty-eight million, eight hundred seventy-two thousand, five hundred eighty-five".