387626320 has 40 divisors (see below), whose sum is σ = 902190024. Its totient is φ = 154885632.

The previous prime is 387626251. The next prime is 387626339. The reversal of 387626320 is 23626783.

It can be written as a sum of positive squares in 4 ways, for example, as 131882256 + 255744064 = 11484^2 + 15992^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 387626320.

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, 97002 + ... + 100918.

Almost surely, 2^387626320 is an apocalyptic number.

It is an amenable number.

387626320 is an abundant number, since it is smaller than the sum of its proper divisors (514563704).

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

387626320 is a wasteful number, since it uses less digits than its factorization.

387626320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167 (or 5161 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 387626320 is about 19688.2279547957. The cubic root of 387626320 is about 729.1290795899.

The spelling of 387626320 in words is "three hundred eighty-seven million, six hundred twenty-six thousand, three hundred twenty".