387700224 has 40 divisors (see below), whose sum is σ = 1032861720. Its totient is φ = 129232896.

The previous prime is 387700219. The next prime is 387700231. The reversal of 387700224 is 422007783.

It is a super-2 number, since 2×387700224² = 300622927379300352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124669 + ... + 127740.

It is an arithmetic number, because the mean of its divisors is an integer number (25821543).

Almost surely, 2^387700224 is an apocalyptic number.

It is an amenable number.

387700224 is an abundant number, since it is smaller than the sum of its proper divisors (645161496).

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

387700224 is an equidigital number, since it uses as much as digits as its factorization.

387700224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252430 (or 252414 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 387700224 is about 19690.1047229313. The cubic root of 387700224 is about 729.1754147057.

The spelling of 387700224 in words is "three hundred eighty-seven million, seven hundred thousand, two hundred twenty-four".