396539230956 has 48 divisors (see below), whose sum is σ = 1009416885120. Its totient is φ = 120158129920.

The previous prime is 396539230951. The next prime is 396539230957. The reversal of 396539230956 is 659032935693.

It is a self number, because there is not a number n which added to its sum of digits gives 396539230956.

It is not an unprimeable number, because it can be changed into a prime (396539230951) 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, 3815935 + ... + 3918473.

It is an arithmetic number, because the mean of its divisors is an integer number (21029518440).

Almost surely, 2^396539230956 is an apocalyptic number.

It is an amenable number.

396539230956 is an abundant number, since it is smaller than the sum of its proper divisors (612877654164).

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

396539230956 is a wasteful number, since it uses less digits than its factorization.

396539230956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131854 (or 131852 counting only the distinct ones).

The product of its (nonzero) digits is 35429400, while the sum is 60.

The spelling of 396539230956 in words is "three hundred ninety-six billion, five hundred thirty-nine million, two hundred thirty thousand, nine hundred fifty-six".