385974680 has 128 divisors (see below), whose sum is σ = 1079930880. Its totient is φ = 120890880.

The previous prime is 385974671. The next prime is 385974727. The reversal of 385974680 is 86479583.

It is a super-2 number, since 2×385974680² = 297952907202204800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388985 + ... + 389975.

It is an arithmetic number, because the mean of its divisors is an integer number (8436960).

Almost surely, 2^385974680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385974680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539965440).

385974680 is an abundant number, since it is smaller than the sum of its proper divisors (693956200).

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

385974680 is a wasteful number, since it uses less digits than its factorization.

385974680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 385974680 is about 19646.2383167873. The cubic root of 385974680 is about 728.0920213348.

The spelling of 385974680 in words is "three hundred eighty-five million, nine hundred seventy-four thousand, six hundred eighty".