396112540 has 36 divisors (see below), whose sum is σ = 840041496. Its totient is φ = 156897216.

The previous prime is 396112523. The next prime is 396112543. The reversal of 396112540 is 45211693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396112543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236787 + ... + 238453.

It is an arithmetic number, because the mean of its divisors is an integer number (23334486).

Almost surely, 2^396112540 is an apocalyptic number.

It is an amenable number.

396112540 is an abundant number, since it is smaller than the sum of its proper divisors (443928956).

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

396112540 is a wasteful number, since it uses less digits than its factorization.

396112540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 396112540 is about 19902.5762151537. The cubic root of 396112540 is about 734.4116043079.

The spelling of 396112540 in words is "three hundred ninety-six million, one hundred twelve thousand, five hundred forty".