38836521 has 12 divisors (see below), whose sum is σ = 57907200. Its totient is φ = 25055640.

The previous prime is 38836519. The next prime is 38836529. The reversal of 38836521 is 12563883.

It is not a de Polignac number, because 38836521 - 2¹ = 38836519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38836529) 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, 69321 + ... + 69878.

It is an arithmetic number, because the mean of its divisors is an integer number (4825600).

Almost surely, 2^38836521 is an apocalyptic number.

38836521 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38836521 is a deficient number, since it is larger than the sum of its proper divisors (19070679).

38836521 is a wasteful number, since it uses less digits than its factorization.

38836521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139236 (or 139233 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 38836521 is about 6231.8954580448. The cubic root of 38836521 is about 338.6466414877.

It can be divided in two parts, 3883 and 6521, that added together give a square (10404 = 102²).

The spelling of 38836521 in words is "thirty-eight million, eight hundred thirty-six thousand, five hundred twenty-one".