385479660 has 24 divisors (see below), whose sum is σ = 1079343216. Its totient is φ = 102794560.

The previous prime is 385479659. The next prime is 385479713. The reversal of 385479660 is 66974583.

385479660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3212271 + ... + 3212390.

It is an arithmetic number, because the mean of its divisors is an integer number (44972634).

Almost surely, 2^385479660 is an apocalyptic number.

385479660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385479660 is an abundant number, since it is smaller than the sum of its proper divisors (693863556).

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

385479660 is a wasteful number, since it uses less digits than its factorization.

385479660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424673 (or 6424671 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 385479660 is about 19633.6359342838. The cubic root of 385479660 is about 727.7806241345.

The spelling of 385479660 in words is "three hundred eighty-five million, four hundred seventy-nine thousand, six hundred sixty".