364693921 has 2 divisors, whose sum is σ = 364693922. Its totient is φ = 364693920.

The previous prime is 364693909. The next prime is 364693933. The reversal of 364693921 is 129396463.

It is a balanced prime because it is at equal distance from previous prime (364693909) and next prime (364693933).

It can be written as a sum of positive squares in only one way, i.e., 350101521 + 14592400 = 18711^2 + 3820^2 .

It is a cyclic number.

It is not a de Polignac number, because 364693921 - 2⁹ = 364693409 is a prime.

It is not a weakly prime, because it can be changed into another prime (362693921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182346960 + 182346961.

It is an arithmetic number, because the mean of its divisors is an integer number (182346961).

Almost surely, 2^364693921 is an apocalyptic number.

It is an amenable number.

364693921 is a deficient number, since it is larger than the sum of its proper divisors (1).

364693921 is an equidigital number, since it uses as much as digits as its factorization.

364693921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 43.

The square root of 364693921 is about 19096.9610409615. The cubic root of 364693921 is about 714.4571301038.

The spelling of 364693921 in words is "three hundred sixty-four million, six hundred ninety-three thousand, nine hundred twenty-one".