516404434 has 24 divisors (see below), whose sum is σ = 970388748. Its totient is φ = 204291360.

The previous prime is 516404419. The next prime is 516404453. The reversal of 516404434 is 434404615.

It can be written as a sum of positive squares in 2 ways, for example, as 508367209 + 8037225 = 22547^2 + 2835^2 .

It is a junction number, because it is equal to n+sod(n) for n = 516404396 and 516404405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201397 + ... + 203944.

Almost surely, 2^516404434 is an apocalyptic number.

516404434 is a deficient number, since it is larger than the sum of its proper divisors (453984314).

516404434 is a wasteful number, since it uses less digits than its factorization.

516404434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405370 (or 405363 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 516404434 is about 22724.5337465920. The cubic root of 516404434 is about 802.2874293915.

The spelling of 516404434 in words is "five hundred sixteen million, four hundred four thousand, four hundred thirty-four".