364678921 has 2 divisors, whose sum is σ = 364678922. Its totient is φ = 364678920.

The previous prime is 364678907. The next prime is 364678927. The reversal of 364678921 is 129876463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229189321 + 135489600 = 15139^2 + 11640^2 .

It is a cyclic number.

It is not a de Polignac number, because 364678921 - 2⁵ = 364678889 is a prime.

It is not a weakly prime, because it can be changed into another prime (364678927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182339460 + 182339461.

It is an arithmetic number, because the mean of its divisors is an integer number (182339461).

Almost surely, 2^364678921 is an apocalyptic number.

It is an amenable number.

364678921 is a deficient number, since it is larger than the sum of its proper divisors (1).

364678921 is an equidigital number, since it uses as much as digits as its factorization.

364678921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 364678921 is about 19096.5683042792. The cubic root of 364678921 is about 714.4473346714.

The spelling of 364678921 in words is "three hundred sixty-four million, six hundred seventy-eight thousand, nine hundred twenty-one".