385532307 has 36 divisors (see below), whose sum is σ = 604773000. Its totient is φ = 235845120.

The previous prime is 385532297. The next prime is 385532309. The reversal of 385532307 is 703235583.

It is not a de Polignac number, because 385532307 - 2⁶ = 385532243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385532309) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 256444 + ... + 257942.

It is an arithmetic number, because the mean of its divisors is an integer number (16799250).

Almost surely, 2^385532307 is an apocalyptic number.

385532307 is a deficient number, since it is larger than the sum of its proper divisors (219240693).

385532307 is a wasteful number, since it uses less digits than its factorization.

385532307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 385532307 is about 19634.9766233627. The cubic root of 385532307 is about 727.8137549118.

The spelling of 385532307 in words is "three hundred eighty-five million, five hundred thirty-two thousand, three hundred seven".