385587444 has 48 divisors (see below), whose sum is σ = 1033159680. Its totient is φ = 110694240.

The previous prime is 385587443. The next prime is 385587457. The reversal of 385587444 is 444785583.

It is a junction number, because it is equal to n+sod(n) for n = 385587393 and 385587402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385587443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74364 + ... + 79379.

It is an arithmetic number, because the mean of its divisors is an integer number (21524160).

Almost surely, 2^385587444 is an apocalyptic number.

It is an amenable number.

385587444 is an abundant number, since it is smaller than the sum of its proper divisors (647572236).

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

385587444 is a wasteful number, since it uses less digits than its factorization.

385587444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153780 (or 153778 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 48.

The square root of 385587444 is about 19636.3806237300. The cubic root of 385587444 is about 727.8484494137.

The spelling of 385587444 in words is "three hundred eighty-five million, five hundred eighty-seven thousand, four hundred forty-four".