38836857 has 32 divisors (see below), whose sum is σ = 57915648. Its totient is φ = 23023616.

The previous prime is 38836849. The next prime is 38836859. The reversal of 38836857 is 75863883.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38836857 - 2³ = 38836849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38836859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132403 + ... + 132695.

It is an arithmetic number, because the mean of its divisors is an integer number (1809864).

Almost surely, 2^38836857 is an apocalyptic number.

It is an amenable number.

38836857 is a deficient number, since it is larger than the sum of its proper divisors (19078791).

38836857 is a wasteful number, since it uses less digits than its factorization.

38836857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its digits is 967680, while the sum is 48.

The square root of 38836857 is about 6231.9224160768. The cubic root of 38836857 is about 338.6476181023.

It can be divided in two parts, 38836 and 857, that added together give a palindrome (39693).

The spelling of 38836857 in words is "thirty-eight million, eight hundred thirty-six thousand, eight hundred fifty-seven".