385689444 has 48 divisors (see below), whose sum is σ = 1063977600. Its totient is φ = 106396416.

The previous prime is 385689391. The next prime is 385689503. The reversal of 385689444 is 444986583.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76729 + ... + 81600.

It is an arithmetic number, because the mean of its divisors is an integer number (22166200).

Almost surely, 2^385689444 is an apocalyptic number.

It is an amenable number.

385689444 is an abundant number, since it is smaller than the sum of its proper divisors (678288156).

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

385689444 is a wasteful number, since it uses less digits than its factorization.

385689444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158372 (or 158370 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 385689444 is about 19638.9776719665. The cubic root of 385689444 is about 727.9126233537.

The spelling of 385689444 in words is "three hundred eighty-five million, six hundred eighty-nine thousand, four hundred forty-four".