396074761 has 2 divisors, whose sum is σ = 396074762. Its totient is φ = 396074760.

The previous prime is 396074759. The next prime is 396074797. The reversal of 396074761 is 167470693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227074761 + 169000000 = 15069^2 + 13000^2 .

It is a cyclic number.

It is not a de Polignac number, because 396074761 - 2¹ = 396074759 is a prime.

Together with 396074759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (396074711) 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, 198037380 + 198037381.

It is an arithmetic number, because the mean of its divisors is an integer number (198037381).

Almost surely, 2^396074761 is an apocalyptic number.

It is an amenable number.

396074761 is a deficient number, since it is larger than the sum of its proper divisors (1).

396074761 is an equidigital number, since it uses as much as digits as its factorization.

396074761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 396074761 is about 19901.6270942855. The cubic root of 396074761 is about 734.3882555410.

The spelling of 396074761 in words is "three hundred ninety-six million, seventy-four thousand, seven hundred sixty-one".