385109456 has 20 divisors (see below), whose sum is σ = 756373092. Its totient is φ = 189916416.

The previous prime is 385109443. The next prime is 385109489. The reversal of 385109456 is 654901583.

It can be written as a sum of positive squares in 2 ways, for example, as 253319056 + 131790400 = 15916^2 + 11480^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 163691 + ... + 166026.

Almost surely, 2^385109456 is an apocalyptic number.

It is an amenable number.

385109456 is a deficient number, since it is larger than the sum of its proper divisors (371263636).

385109456 is a wasteful number, since it uses less digits than its factorization.

385109456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329798 (or 329792 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 385109456 is about 19624.2058692830. The cubic root of 385109456 is about 727.5475693871.

The spelling of 385109456 in words is "three hundred eighty-five million, one hundred nine thousand, four hundred fifty-six".