38564613 has 16 divisors (see below), whose sum is σ = 57268800. Its totient is φ = 25648560.

The previous prime is 38564611. The next prime is 38564621. The reversal of 38564613 is 31646583.

38564613 is a `hidden beast` number, since 3 + 8 + 5 + 646 + 1 + 3 = 666.

It is not a de Polignac number, because 38564613 - 2¹ = 38564611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38564611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11803 + ... + 14711.

It is an arithmetic number, because the mean of its divisors is an integer number (3579300).

Almost surely, 2^38564613 is an apocalyptic number.

It is an amenable number.

38564613 is a deficient number, since it is larger than the sum of its proper divisors (18704187).

38564613 is a wasteful number, since it uses less digits than its factorization.

38564613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409 (or 3403 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 38564613 is about 6210.0413042105. The cubic root of 38564613 is about 337.8544621608.

The spelling of 38564613 in words is "thirty-eight million, five hundred sixty-four thousand, six hundred thirteen".