387701604 has 36 divisors (see below), whose sum is σ = 996095100. Its totient is φ = 127114560.

The previous prime is 387701603. The next prime is 387701623. The reversal of 387701604 is 406107783.

It can be written as a sum of positive squares in 2 ways, for example, as 72284004 + 315417600 = 8502^2 + 17760^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (387701603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86079 + ... + 90470.

Almost surely, 2^387701604 is an apocalyptic number.

It is an amenable number.

387701604 is an abundant number, since it is smaller than the sum of its proper divisors (608393496).

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

387701604 is a wasteful number, since it uses less digits than its factorization.

387701604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176620 (or 176615 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 387701604 is about 19690.1397658828. The cubic root of 387701604 is about 729.1762798595.

The spelling of 387701604 in words is "three hundred eighty-seven million, seven hundred one thousand, six hundred four".