396271760 has 40 divisors (see below), whose sum is σ = 951058176. Its totient is φ = 153394560.

The previous prime is 396271741. The next prime is 396271763. The reversal of 396271760 is 67172693.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (396271763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77414 + ... + 82373.

Almost surely, 2^396271760 is an apocalyptic number.

It is an amenable number.

396271760 is an abundant number, since it is smaller than the sum of its proper divisors (554786416).

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

396271760 is a wasteful number, since it uses less digits than its factorization.

396271760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159831 (or 159825 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 396271760 is about 19906.5757979618. The cubic root of 396271760 is about 734.5099916264.

The spelling of 396271760 in words is "three hundred ninety-six million, two hundred seventy-one thousand, seven hundred sixty".