385776624 has 40 divisors (see below), whose sum is σ = 1001622400. Its totient is φ = 127942848.

The previous prime is 385776619. The next prime is 385776649. The reversal of 385776624 is 426677583.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10642 + ... + 29745.

It is an arithmetic number, because the mean of its divisors is an integer number (25040560).

Almost surely, 2^385776624 is an apocalyptic number.

It is an amenable number.

385776624 is an abundant number, since it is smaller than the sum of its proper divisors (615845776).

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

385776624 is a wasteful number, since it uses less digits than its factorization.

385776624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40597 (or 40591 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The square root of 385776624 is about 19641.1971121925. The cubic root of 385776624 is about 727.9674642304.

The spelling of 385776624 in words is "three hundred eighty-five million, seven hundred seventy-six thousand, six hundred twenty-four".