385508998 has 16 divisors (see below), whose sum is σ = 661900320. Its totient is φ = 164961216.

The previous prime is 385508989. The next prime is 385509001. The reversal of 385508998 is 899805583.

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, 11943 + ... + 30226.

It is an arithmetic number, because the mean of its divisors is an integer number (41368770).

Almost surely, 2^385508998 is an apocalyptic number.

385508998 is a deficient number, since it is larger than the sum of its proper divisors (276391322).

385508998 is a wasteful number, since it uses less digits than its factorization.

385508998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42831.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The square root of 385508998 is about 19634.3830562613. The cubic root of 385508998 is about 727.7990869213.

The spelling of 385508998 in words is "three hundred eighty-five million, five hundred eight thousand, nine hundred ninety-eight".