368539221 has 16 divisors (see below), whose sum is σ = 509716800. Its totient is φ = 236573568.

The previous prime is 368539211. The next prime is 368539261. The reversal of 368539221 is 122935863.

It is not a de Polignac number, because 368539221 - 2²² = 364344917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 368539221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368539211) 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 15 ways as a sum of consecutive naturals, for example, 27385 + ... + 38561.

It is an arithmetic number, because the mean of its divisors is an integer number (31857300).

Almost surely, 2^368539221 is an apocalyptic number.

It is an amenable number.

368539221 is a deficient number, since it is larger than the sum of its proper divisors (141177579).

368539221 is a wasteful number, since it uses less digits than its factorization.

368539221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11588.

The product of its digits is 77760, while the sum is 39.

The square root of 368539221 is about 19197.3753674819. The cubic root of 368539221 is about 716.9594132902.

The spelling of 368539221 in words is "three hundred sixty-eight million, five hundred thirty-nine thousand, two hundred twenty-one".