385226656 has 24 divisors (see below), whose sum is σ = 759783780. Its totient is φ = 192265728.

The previous prime is 385226641. The next prime is 385226669. The reversal of 385226656 is 656622583.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 298736656 + 86490000 = 17284^2 + 9300^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7630 + ... + 28786.

Almost surely, 2^385226656 is an apocalyptic number.

It is an amenable number.

385226656 is a deficient number, since it is larger than the sum of its proper divisors (374557124).

385226656 is a wasteful number, since it uses less digits than its factorization.

385226656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21736 (or 21728 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 385226656 is about 19627.1917502224. The cubic root of 385226656 is about 727.6213665248.

The spelling of 385226656 in words is "three hundred eighty-five million, two hundred twenty-six thousand, six hundred fifty-six".