396811315 has 24 divisors (see below), whose sum is σ = 495467280. Its totient is φ = 305069760.

The previous prime is 396811313. The next prime is 396811343. The reversal of 396811315 is 513118693.

It is not a de Polignac number, because 396811315 - 2¹ = 396811313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396811313) 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 in 23 ways as a sum of consecutive naturals, for example, 1292392 + ... + 1292698.

It is an arithmetic number, because the mean of its divisors is an integer number (20644470).

Almost surely, 2^396811315 is an apocalyptic number.

396811315 is a deficient number, since it is larger than the sum of its proper divisors (98655965).

396811315 is a wasteful number, since it uses less digits than its factorization.

396811315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 612 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 396811315 is about 19920.1233680919. The cubic root of 396811315 is about 734.8432047107.

The spelling of 396811315 in words is "three hundred ninety-six million, eight hundred eleven thousand, three hundred fifteen".