386502813 has 8 divisors (see below), whose sum is σ = 572596800. Its totient is φ = 257668524.

The previous prime is 386502811. The next prime is 386502817. The reversal of 386502813 is 318205683.

It is not a de Polignac number, because 386502813 - 2¹ = 386502811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386502811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7157433 + ... + 7157486.

It is an arithmetic number, because the mean of its divisors is an integer number (71574600).

Almost surely, 2^386502813 is an apocalyptic number.

It is an amenable number.

386502813 is a deficient number, since it is larger than the sum of its proper divisors (186093987).

386502813 is a wasteful number, since it uses less digits than its factorization.

386502813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14314928 (or 14314922 counting only the distinct ones).

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

The square root of 386502813 is about 19659.6747938515. The cubic root of 386502813 is about 728.4239551735.

The spelling of 386502813 in words is "three hundred eighty-six million, five hundred two thousand, eight hundred thirteen".