385394645 has 16 divisors (see below), whose sum is σ = 470922240. Its totient is φ = 302702400.

The previous prime is 385394623. The next prime is 385394657. The reversal of 385394645 is 546493583.

It is not a de Polignac number, because 385394645 - 2⁸ = 385394389 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 385394645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261260 + ... + 262730.

It is an arithmetic number, because the mean of its divisors is an integer number (29432640).

Almost surely, 2^385394645 is an apocalyptic number.

It is an amenable number.

385394645 is a deficient number, since it is larger than the sum of its proper divisors (85527595).

385394645 is a wasteful number, since it uses less digits than its factorization.

385394645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396.

The product of its digits is 1555200, while the sum is 47.

The square root of 385394645 is about 19631.4707803567. The cubic root of 385394645 is about 727.7271177931.

The spelling of 385394645 in words is "three hundred eighty-five million, three hundred ninety-four thousand, six hundred forty-five".