387902 has 4 divisors (see below), whose sum is σ = 581856. Its totient is φ = 193950.

The previous prime is 387857. The next prime is 387911. The reversal of 387902 is 209783.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 96974 + ... + 96977.

It is an arithmetic number, because the mean of its divisors is an integer number (145464).

2³⁸⁷⁹⁰² is an apocalyptic number.

387902 is a deficient number, since it is larger than the sum of its proper divisors (193954).

387902 is a wasteful number, since it uses less digits than its factorization.

387902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193953.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 387902 is about 622.8177903689. The cubic root of 387902 is about 72.9301890930.

The spelling of 387902 in words is "three hundred eighty-seven thousand, nine hundred two".