659942 has 8 divisors (see below), whose sum is σ = 994032. Its totient is φ = 328600.

The previous prime is 659941. The next prime is 659947. The reversal of 659942 is 249956.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92 + ... + 1152.

It is an arithmetic number, because the mean of its divisors is an integer number (124254).

2⁶⁵⁹⁹⁴² is an apocalyptic number.

659942 is a deficient number, since it is larger than the sum of its proper divisors (334090).

659942 is a wasteful number, since it uses less digits than its factorization.

659942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its digits is 19440, while the sum is 35.

The square root of 659942 is about 812.3681431469. The cubic root of 659942 is about 87.0633264224.

The spelling of 659942 in words is "six hundred fifty-nine thousand, nine hundred forty-two".