516346 has 4 divisors (see below), whose sum is σ = 774522. Its totient is φ = 258172.

The previous prime is 516323. The next prime is 516349. The reversal of 516346 is 643615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 497025 + 19321 = 705^2 + 139^2 .

It is a super-2 number, since 2×516346² = 533226383432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 516346.

It is not an unprimeable number, because it can be changed into a prime (516349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129085 + ... + 129088.

2⁵¹⁶³⁴⁶ is an apocalyptic number.

516346 is a deficient number, since it is larger than the sum of its proper divisors (258176).

516346 is a wasteful number, since it uses less digits than its factorization.

516346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258175.

The product of its digits is 2160, while the sum is 25.

The square root of 516346 is about 718.5721953986. The cubic root of 516346 is about 80.2257167173.

The spelling of 516346 in words is "five hundred sixteen thousand, three hundred forty-six".