396930901 has 2 divisors, whose sum is σ = 396930902. Its totient is φ = 396930900.

The previous prime is 396930883. The next prime is 396930923. The reversal of 396930901 is 109039693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221235876 + 175695025 = 14874^2 + 13255^2 .

It is a cyclic number.

It is not a de Polignac number, because 396930901 - 2¹⁹ = 396406613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396930971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198465450 + 198465451.

It is an arithmetic number, because the mean of its divisors is an integer number (198465451).

Almost surely, 2^396930901 is an apocalyptic number.

It is an amenable number.

396930901 is a deficient number, since it is larger than the sum of its proper divisors (1).

396930901 is an equidigital number, since it uses as much as digits as its factorization.

396930901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 396930901 is about 19923.1247800138. The cubic root of 396930901 is about 734.9170165619.

The spelling of 396930901 in words is "three hundred ninety-six million, nine hundred thirty thousand, nine hundred one".