385994405 has 16 divisors (see below), whose sum is σ = 493456320. Its totient is φ = 289012608.

The previous prime is 385994363. The next prime is 385994419. The reversal of 385994405 is 504499583.

It is a cyclic number.

It is not a de Polignac number, because 385994405 - 2⁸ = 385994149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385994405.

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, 16592 + ... + 32361.

It is an arithmetic number, because the mean of its divisors is an integer number (30841020).

Almost surely, 2^385994405 is an apocalyptic number.

It is an amenable number.

385994405 is a deficient number, since it is larger than the sum of its proper divisors (107461915).

385994405 is a wasteful number, since it uses less digits than its factorization.

385994405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49060.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 385994405 is about 19646.7403148716. The cubic root of 385994405 is about 728.1044240227.

The spelling of 385994405 in words is "three hundred eighty-five million, nine hundred ninety-four thousand, four hundred five".