516430 has 16 divisors (see below), whose sum is σ = 951984. Its totient is φ = 201600.

The previous prime is 516421. The next prime is 516431. The reversal of 516430 is 34615.

516430 = T₄₅₂ + T₄₅₃ + ... + T₄₅₆.

516430 is nontrivially palindromic in base 15.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 516398 and 516407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171 + ... + 1030.

It is an arithmetic number, because the mean of its divisors is an integer number (59499).

2⁵¹⁶⁴³⁰ is an apocalyptic number.

516430 is a deficient number, since it is larger than the sum of its proper divisors (435554).

516430 is a wasteful number, since it uses less digits than its factorization.

516430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 516430 is about 718.6306422635. The cubic root of 516430 is about 80.2300668977.

It can be divided in two parts, 516 and 430, that added together give a triangular number (946 = T₄₃).

The spelling of 516430 in words is "five hundred sixteen thousand, four hundred thirty".