385989838 has 16 divisors (see below), whose sum is σ = 627500160. Its totient is φ = 177012576.

The previous prime is 385989827. The next prime is 385989853. The reversal of 385989838 is 838989583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43198 + ... + 51361.

It is an arithmetic number, because the mean of its divisors is an integer number (39218760).

Almost surely, 2^385989838 is an apocalyptic number.

385989838 is a deficient number, since it is larger than the sum of its proper divisors (241510322).

385989838 is a wasteful number, since it uses less digits than its factorization.

385989838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94731.

The product of its digits is 14929920, while the sum is 61.

The square root of 385989838 is about 19646.6240865956. The cubic root of 385989838 is about 728.1015524215.

The spelling of 385989838 in words is "three hundred eighty-five million, nine hundred eighty-nine thousand, eight hundred thirty-eight".