516942 has 20 divisors (see below), whose sum is σ = 1158696. Its totient is φ = 172260.

The previous prime is 516931. The next prime is 516947. The reversal of 516942 is 249615.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516947) by changing a digit.

516942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1434 + ... + 1757.

2⁵¹⁶⁹⁴² is an apocalyptic number.

516942 is an abundant number, since it is smaller than the sum of its proper divisors (641754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516942 is a wasteful number, since it uses less digits than its factorization.

516942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205 (or 3196 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 516942 is about 718.9867870830. The cubic root of 516942 is about 80.2565720882.

The spelling of 516942 in words is "five hundred sixteen thousand, nine hundred forty-two".