396877537 has 16 divisors (see below), whose sum is σ = 459612160. Its totient is φ = 335674368.

The previous prime is 396877519. The next prime is 396877571. The reversal of 396877537 is 735778693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396877537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396877517) 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 15 ways as a sum of consecutive naturals, for example, 309664 + ... + 310942.

It is an arithmetic number, because the mean of its divisors is an integer number (28725760).

Almost surely, 2^396877537 is an apocalyptic number.

It is an amenable number.

396877537 is a deficient number, since it is larger than the sum of its proper divisors (62734623).

396877537 is a wasteful number, since it uses less digits than its factorization.

396877537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840.

The product of its digits is 6667920, while the sum is 55.

The square root of 396877537 is about 19921.7854872499. The cubic root of 396877537 is about 734.8840806283.

The spelling of 396877537 in words is "three hundred ninety-six million, eight hundred seventy-seven thousand, five hundred thirty-seven".