385981608 has 64 divisors (see below), whose sum is σ = 983664000. Its totient is φ = 126190592.

The previous prime is 385981579. The next prime is 385981639. The reversal of 385981608 is 806189583.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291973 + ... + 293291.

It is an arithmetic number, because the mean of its divisors is an integer number (15369750).

Almost surely, 2^385981608 is an apocalyptic number.

It is an amenable number.

385981608 is an abundant number, since it is smaller than the sum of its proper divisors (597682392).

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

385981608 is a wasteful number, since it uses less digits than its factorization.

385981608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 385981608 is about 19646.4146347368. The cubic root of 385981608 is about 728.0963775716.

The spelling of 385981608 in words is "three hundred eighty-five million, nine hundred eighty-one thousand, six hundred eight".