396364777 has 2 divisors, whose sum is σ = 396364778. Its totient is φ = 396364776.

The previous prime is 396364769. The next prime is 396364811. The reversal of 396364777 is 777463693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213276816 + 183087961 = 14604^2 + 13531^2 .

It is a cyclic number.

It is not a de Polignac number, because 396364777 - 2³ = 396364769 is a prime.

It is not a weakly prime, because it can be changed into another prime (396334777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198182388 + 198182389.

It is an arithmetic number, because the mean of its divisors is an integer number (198182389).

Almost surely, 2^396364777 is an apocalyptic number.

It is an amenable number.

396364777 is a deficient number, since it is larger than the sum of its proper divisors (1).

396364777 is an equidigital number, since it uses as much as digits as its factorization.

396364777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 52.

The square root of 396364777 is about 19908.9119994037. The cubic root of 396364777 is about 734.5674577205.

The spelling of 396364777 in words is "three hundred ninety-six million, three hundred sixty-four thousand, seven hundred seventy-seven".