396837140 has 24 divisors (see below), whose sum is σ = 952409472. Its totient is φ = 136058400.

The previous prime is 396837083. The next prime is 396837151. The reversal of 396837140 is 41738693.

It is a congruent number.

It is an unprimeable number.

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, 1417136 + ... + 1417415.

It is an arithmetic number, because the mean of its divisors is an integer number (39683728).

Almost surely, 2^396837140 is an apocalyptic number.

It is an amenable number.

396837140 is an abundant number, since it is smaller than the sum of its proper divisors (555572332).

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

396837140 is a wasteful number, since it uses less digits than its factorization.

396837140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834567 (or 2834565 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 396837140 is about 19920.7715714025. The cubic root of 396837140 is about 734.8591458842.

The spelling of 396837140 in words is "three hundred ninety-six million, eight hundred thirty-seven thousand, one hundred forty".