368635813 has 24 divisors (see below), whose sum is σ = 458103168. Its totient is φ = 290452032.

The previous prime is 368635801. The next prime is 368635859. The reversal of 368635813 is 318536863.

It is not a de Polignac number, because 368635813 - 2¹³ = 368627621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 368635813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368635873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374520 + ... + 375502.

It is an arithmetic number, because the mean of its divisors is an integer number (19087632).

Almost surely, 2^368635813 is an apocalyptic number.

It is an amenable number.

368635813 is a deficient number, since it is larger than the sum of its proper divisors (89467355).

368635813 is a wasteful number, since it uses less digits than its factorization.

368635813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1320 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 368635813 is about 19199.8909632321. The cubic root of 368635813 is about 717.0220447916.

The spelling of 368635813 in words is "three hundred sixty-eight million, six hundred thirty-five thousand, eight hundred thirteen".