516615434 has 32 divisors (see below), whose sum is σ = 849692160. Its totient is φ = 234662400.

The previous prime is 516615427. The next prime is 516615439. The reversal of 516615434 is 434516615.

It is a junction number, because it is equal to n+sod(n) for n = 516615394 and 516615403.

It is not an unprimeable number, because it can be changed into a prime (516615439) 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, 131174 + ... + 135054.

It is an arithmetic number, because the mean of its divisors is an integer number (26552880).

Almost surely, 2^516615434 is an apocalyptic number.

516615434 is a deficient number, since it is larger than the sum of its proper divisors (333076726).

516615434 is a wasteful number, since it uses less digits than its factorization.

516615434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046.

The product of its digits is 43200, while the sum is 35.

The square root of 516615434 is about 22729.1758319566. The cubic root of 516615434 is about 802.3966845836.

The spelling of 516615434 in words is "five hundred sixteen million, six hundred fifteen thousand, four hundred thirty-four".