516009346 has 4 divisors (see below), whose sum is σ = 774014022. Its totient is φ = 258004672.

The previous prime is 516009343. The next prime is 516009371. The reversal of 516009346 is 643900615.

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., 298771225 + 217238121 = 17285^2 + 14739^2 .

It is not an unprimeable number, because it can be changed into a prime (516009343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129002335 + ... + 129002338.

Almost surely, 2^516009346 is an apocalyptic number.

516009346 is a deficient number, since it is larger than the sum of its proper divisors (258004676).

516009346 is a wasteful number, since it uses less digits than its factorization.

516009346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258004675.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 516009346 is about 22715.8390996239. The cubic root of 516009346 is about 802.0827739020.

The spelling of 516009346 in words is "five hundred sixteen million, nine thousand, three hundred forty-six".