516213930 has 32 divisors (see below), whose sum is σ = 1239545664. Its totient is φ = 137586816.

The previous prime is 516213923. The next prime is 516213931. The reversal of 516213930 is 39312615.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (516213931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85677 + ... + 91503.

It is an arithmetic number, because the mean of its divisors is an integer number (38735802).

Almost surely, 2^516213930 is an apocalyptic number.

516213930 is an abundant number, since it is smaller than the sum of its proper divisors (723331734).

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

516213930 is a wasteful number, since it uses less digits than its factorization.

516213930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 516213930 is about 22720.3417667957. The cubic root of 516213930 is about 802.1887614015.

The spelling of 516213930 in words is "five hundred sixteen million, two hundred thirteen thousand, nine hundred thirty".