396455775 has 48 divisors (see below), whose sum is σ = 671162400. Its totient is φ = 206438400.

The previous prime is 396455771. The next prime is 396455779. The reversal of 396455775 is 577554693.

It is an interprime number because it is at equal distance from previous prime (396455771) and next prime (396455779).

It is not a de Polignac number, because 396455775 - 2² = 396455771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396455771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 882751 + ... + 883199.

It is an arithmetic number, because the mean of its divisors is an integer number (13982550).

Almost surely, 2^396455775 is an apocalyptic number.

396455775 is a deficient number, since it is larger than the sum of its proper divisors (274706625).

396455775 is a wasteful number, since it uses less digits than its factorization.

396455775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 711 counting only the distinct ones).

The product of its digits is 3969000, while the sum is 51.

The square root of 396455775 is about 19911.1972266863. The cubic root of 396455775 is about 734.6236677731.

The spelling of 396455775 in words is "three hundred ninety-six million, four hundred fifty-five thousand, seven hundred seventy-five".