381584224 has 24 divisors (see below), whose sum is σ = 858565008. Its totient is φ = 163536000.

The previous prime is 381584183. The next prime is 381584243. The reversal of 381584224 is 422485183.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851527 + ... + 851974.

It is an arithmetic number, because the mean of its divisors is an integer number (35773542).

Almost surely, 2^381584224 is an apocalyptic number.

It is an amenable number.

381584224 is an abundant number, since it is smaller than the sum of its proper divisors (476980784).

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

381584224 is a wasteful number, since it uses less digits than its factorization.

381584224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703518 (or 1703510 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 381584224 is about 19534.1809144894. The cubic root of 381584224 is about 725.3208086373.

The spelling of 381584224 in words is "three hundred eighty-one million, five hundred eighty-four thousand, two hundred twenty-four".