387504165 has 16 divisors (see below), whose sum is σ = 620264448. Its totient is φ = 206582976.

The previous prime is 387504163. The next prime is 387504179. The reversal of 387504165 is 561405783.

It is not a de Polignac number, because 387504165 - 2¹ = 387504163 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387504163) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 51004 + ... + 58106.

It is an arithmetic number, because the mean of its divisors is an integer number (38766528).

Almost surely, 2^387504165 is an apocalyptic number.

It is an amenable number.

387504165 is a deficient number, since it is larger than the sum of its proper divisors (232760283).

387504165 is a wasteful number, since it uses less digits than its factorization.

387504165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10748.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 387504165 is about 19685.1254758510. The cubic root of 387504165 is about 729.0524799407.

The spelling of 387504165 in words is "three hundred eighty-seven million, five hundred four thousand, one hundred sixty-five".