385597320 has 64 divisors (see below), whose sum is σ = 1159704000. Its totient is φ = 102567168.

The previous prime is 385597309. The next prime is 385597337. The reversal of 385597320 is 23795583.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46446 + ... + 54114.

It is an arithmetic number, because the mean of its divisors is an integer number (18120375).

Almost surely, 2^385597320 is an apocalyptic number.

385597320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385597320 is an abundant number, since it is smaller than the sum of its proper divisors (774106680).

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

385597320 is a wasteful number, since it uses less digits than its factorization.

385597320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102 (or 8098 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 385597320 is about 19636.6320941245. The cubic root of 385597320 is about 727.8546634559.

The spelling of 385597320 in words is "three hundred eighty-five million, five hundred ninety-seven thousand, three hundred twenty".