556942 has 8 divisors (see below), whose sum is σ = 839232. Its totient is φ = 277200.

The previous prime is 556939. The next prime is 556943. The reversal of 556942 is 249655.

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

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556943) 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, 67 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (104904).

2⁵⁵⁶⁹⁴² is an apocalyptic number.

556942 is a deficient number, since it is larger than the sum of its proper divisors (282290).

556942 is a wasteful number, since it uses less digits than its factorization.

556942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its digits is 10800, while the sum is 31.

The square root of 556942 is about 746.2854681689. The cubic root of 556942 is about 82.2753976562.

It can be divided in two parts, 55694 and 2, that added together give a square (55696 = 236²).

The spelling of 556942 in words is "five hundred fifty-six thousand, nine hundred forty-two".