385908536 has 32 divisors (see below), whose sum is σ = 813123360. Its totient is φ = 170366592.

The previous prime is 385908533. The next prime is 385908541. The reversal of 385908536 is 635809583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385908533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78275 + ... + 83058.

It is an arithmetic number, because the mean of its divisors is an integer number (25410105).

Almost surely, 2^385908536 is an apocalyptic number.

It is an amenable number.

385908536 is an abundant number, since it is smaller than the sum of its proper divisors (427214824).

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

385908536 is a wasteful number, since it uses less digits than its factorization.

385908536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161375 (or 161371 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 385908536 is about 19644.5548689707. The cubic root of 385908536 is about 728.0504282179.

The spelling of 385908536 in words is "three hundred eighty-five million, nine hundred eight thousand, five hundred thirty-six".