516404436 has 12 divisors (see below), whose sum is σ = 1204943712. Its totient is φ = 172134808.

The previous prime is 516404419. The next prime is 516404453. The reversal of 516404436 is 634404615.

It is an interprime number because it is at equal distance from previous prime (516404419) and next prime (516404453).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 516404397 and 516404406.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 21516840 + ... + 21516863.

It is an arithmetic number, because the mean of its divisors is an integer number (100411976).

Almost surely, 2^516404436 is an apocalyptic number.

It is an amenable number.

516404436 is an abundant number, since it is smaller than the sum of its proper divisors (688539276).

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

516404436 is a wasteful number, since it uses less digits than its factorization.

516404436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43033710 (or 43033708 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 516404436 is about 22724.5337905973. The cubic root of 516404436 is about 802.2874304272.

The spelling of 516404436 in words is "five hundred sixteen million, four hundred four thousand, four hundred thirty-six".