396851616 has 96 divisors (see below), whose sum is σ = 1322858880. Its totient is φ = 113384448.

The previous prime is 396851563. The next prime is 396851617. The reversal of 396851616 is 616158693.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×396851616² = 314982410243622912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396851617) 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, 26761 + ... + 38856.

It is an arithmetic number, because the mean of its divisors is an integer number (13779780).

Almost surely, 2^396851616 is an apocalyptic number.

396851616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

396851616 is an abundant number, since it is smaller than the sum of its proper divisors (926007264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396851616 is a wasteful number, since it uses less digits than its factorization.

396851616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65643 (or 65629 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 396851616 is about 19921.1349074293. The cubic root of 396851616 is about 734.8680812807.

The spelling of 396851616 in words is "three hundred ninety-six million, eight hundred fifty-one thousand, six hundred sixteen".