516390 has 32 divisors (see below), whose sum is σ = 1416960. Its totient is φ = 117984.

The previous prime is 516377. The next prime is 516391. The reversal of 516390 is 93615.

It is a self number, because there is not a number n which added to its sum of digits gives 516390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516391) by changing a digit.

516390 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 15 ways as a sum of consecutive naturals, for example, 1020 + ... + 1439.

It is an arithmetic number, because the mean of its divisors is an integer number (44280).

2⁵¹⁶³⁹⁰ is an apocalyptic number.

516390 is an abundant number, since it is smaller than the sum of its proper divisors (900570).

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

516390 is a wasteful number, since it uses less digits than its factorization.

516390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 516390 is about 718.6028110159. The cubic root of 516390 is about 80.2279954420.

It can be divided in two parts, 5163 and 90, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 516390 in words is "five hundred sixteen thousand, three hundred ninety".