396522637 has 16 divisors (see below), whose sum is σ = 481057920. Its totient is φ = 319062528.

The previous prime is 396522617. The next prime is 396522649. The reversal of 396522637 is 736225693.

It is not a de Polignac number, because 396522637 - 2¹¹ = 396520589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 396522593 and 396522602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396522617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44598 + ... + 52744.

It is an arithmetic number, because the mean of its divisors is an integer number (30066120).

Almost surely, 2^396522637 is an apocalyptic number.

It is an amenable number.

396522637 is a deficient number, since it is larger than the sum of its proper divisors (84535283).

396522637 is a wasteful number, since it uses less digits than its factorization.

396522637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8580.

The product of its digits is 408240, while the sum is 43.

The square root of 396522637 is about 19912.8761609166. The cubic root of 396522637 is about 734.6649633809.

The spelling of 396522637 in words is "three hundred ninety-six million, five hundred twenty-two thousand, six hundred thirty-seven".