385798956 has 12 divisors (see below), whose sum is σ = 900197592. Its totient is φ = 128599648.

The previous prime is 385798951. The next prime is 385798981. The reversal of 385798956 is 659897583.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 385798956.

It is not an unprimeable number, because it can be changed into a prime (385798951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16074945 + ... + 16074968.

It is an arithmetic number, because the mean of its divisors is an integer number (75016466).

Almost surely, 2^385798956 is an apocalyptic number.

It is an amenable number.

385798956 is an abundant number, since it is smaller than the sum of its proper divisors (514398636).

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

385798956 is a wasteful number, since it uses less digits than its factorization.

385798956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32149920 (or 32149918 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 60.

The square root of 385798956 is about 19641.7656029187. The cubic root of 385798956 is about 727.9815109220.

The spelling of 385798956 in words is "three hundred eighty-five million, seven hundred ninety-eight thousand, nine hundred fifty-six".