385633944 has 48 divisors (see below), whose sum is σ = 1059149520. Its totient is φ = 126732480.

The previous prime is 385633931. The next prime is 385633949. The reversal of 385633944 is 449336583.

385633944 is a `hidden beast` number, since 3 + 8 + 5 + 633 + 9 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 385633944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385633949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32607 + ... + 42830.

It is an arithmetic number, because the mean of its divisors is an integer number (22065615).

Almost surely, 2^385633944 is an apocalyptic number.

It is an amenable number.

385633944 is an abundant number, since it is smaller than the sum of its proper divisors (673515576).

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

385633944 is a wasteful number, since it uses less digits than its factorization.

385633944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75520 (or 75513 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 385633944 is about 19637.5646147887. The cubic root of 385633944 is about 727.8777065840.

The spelling of 385633944 in words is "three hundred eighty-five million, six hundred thirty-three thousand, nine hundred forty-four".