659902 has 4 divisors (see below), whose sum is σ = 989856. Its totient is φ = 329950.

The previous prime is 659899. The next prime is 659917. The reversal of 659902 is 209956.

659902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164974 + ... + 164977.

It is an arithmetic number, because the mean of its divisors is an integer number (247464).

2⁶⁵⁹⁹⁰² is an apocalyptic number.

659902 is a deficient number, since it is larger than the sum of its proper divisors (329954).

659902 is a wasteful number, since it uses less digits than its factorization.

659902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329953.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 659902 is about 812.3435233939. The cubic root of 659902 is about 87.0615673772.

The spelling of 659902 in words is "six hundred fifty-nine thousand, nine hundred two".