616078434 has 16 divisors (see below), whose sum is σ = 1233137088. Its totient is φ = 205196112.

The previous prime is 616078429. The next prime is 616078447. The reversal of 616078434 is 434870616.

It is a junction number, because it is equal to n+sod(n) for n = 616078392 and 616078401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32542 + ... + 47865.

It is an arithmetic number, because the mean of its divisors is an integer number (77071068).

Almost surely, 2^616078434 is an apocalyptic number.

616078434 is an abundant number, since it is smaller than the sum of its proper divisors (617058654).

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

616078434 is a wasteful number, since it uses less digits than its factorization.

616078434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81689.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 616078434 is about 24820.9273396463. The cubic root of 616078434 is about 850.9002844128.

The spelling of 616078434 in words is "six hundred sixteen million, seventy-eight thousand, four hundred thirty-four".