516392990 has 16 divisors (see below), whose sum is σ = 930813120. Its totient is φ = 206267040.

The previous prime is 516392959. The next prime is 516393013. The reversal of 516392990 is 99293615.

It is a super-2 number, since 2×516392990² = 533323440242280200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28721 + ... + 43100.

It is an arithmetic number, because the mean of its divisors is an integer number (58175820).

Almost surely, 2^516392990 is an apocalyptic number.

516392990 is a deficient number, since it is larger than the sum of its proper divisors (414420130).

516392990 is a wasteful number, since it uses less digits than its factorization.

516392990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72547.

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 516392990 is about 22724.2819468515. The cubic root of 516392990 is about 802.2815028705.

The spelling of 516392990 in words is "five hundred sixteen million, three hundred ninety-two thousand, nine hundred ninety".