385381320 has 64 divisors (see below), whose sum is σ = 1173424320. Its totient is φ = 101232384.

The previous prime is 385381309. The next prime is 385381327. The reversal of 385381320 is 23183583.

It is not an unprimeable number, because it can be changed into a prime (385381327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15927 + ... + 32006.

It is an arithmetic number, because the mean of its divisors is an integer number (18334755).

Almost surely, 2^385381320 is an apocalyptic number.

385381320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385381320 is an abundant number, since it is smaller than the sum of its proper divisors (788043000).

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

385381320 is a wasteful number, since it uses less digits than its factorization.

385381320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48014 (or 48010 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 385381320 is about 19631.1313988777. The cubic root of 385381320 is about 727.7187306539.

The spelling of 385381320 in words is "three hundred eighty-five million, three hundred eighty-one thousand, three hundred twenty".