516408836 has 6 divisors (see below), whose sum is σ = 903715470. Its totient is φ = 258204416.

The previous prime is 516408799. The next prime is 516408853. The reversal of 516408836 is 638804615.

It can be written as a sum of positive squares in only one way, i.e., 515562436 + 846400 = 22706^2 + 920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 516408793 and 516408802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64551101 + ... + 64551108.

It is an arithmetic number, because the mean of its divisors is an integer number (150619245).

Almost surely, 2^516408836 is an apocalyptic number.

It is an amenable number.

516408836 is a deficient number, since it is larger than the sum of its proper divisors (387306634).

516408836 is a wasteful number, since it uses less digits than its factorization.

516408836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129102213 (or 129102211 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 516408836 is about 22724.6306020582. The cubic root of 516408836 is about 802.2897090384.

The spelling of 516408836 in words is "five hundred sixteen million, four hundred eight thousand, eight hundred thirty-six".