385906698 has 24 divisors (see below), whose sum is σ = 885316068. Its totient is φ = 121068672.

The previous prime is 385906687. The next prime is 385906699. The reversal of 385906698 is 896609583.

It can be written as a sum of positive squares in 2 ways, for example, as 284360769 + 101545929 = 16863^2 + 10077^2 .

It is a super-2 number, since 2×385906698² = 297847959122526408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385906699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630261 + ... + 630872.

Almost surely, 2^385906698 is an apocalyptic number.

385906698 is an abundant number, since it is smaller than the sum of its proper divisors (499409370).

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

385906698 is a wasteful number, since it uses less digits than its factorization.

385906698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261158 (or 1261155 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 385906698 is about 19644.5080875037. The cubic root of 385906698 is about 728.0492723665.

The spelling of 385906698 in words is "three hundred eighty-five million, nine hundred six thousand, six hundred ninety-eight".