616672844 has 12 divisors (see below), whose sum is σ = 1090303704. Its totient is φ = 305157504.

The previous prime is 616672831. The next prime is 616672871. The reversal of 616672844 is 448276616.

It is a junction number, because it is equal to n+sod(n) for n = 616672795 and 616672804.

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 3 ways as a sum of consecutive naturals, for example, 794294 + ... + 795069.

It is an arithmetic number, because the mean of its divisors is an integer number (90858642).

Almost surely, 2^616672844 is an apocalyptic number.

It is an amenable number.

616672844 is a deficient number, since it is larger than the sum of its proper divisors (473630860).

616672844 is a wasteful number, since it uses less digits than its factorization.

616672844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589464 (or 1589462 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 616672844 is about 24832.8984212476. The cubic root of 616672844 is about 851.1738540496.

The spelling of 616672844 in words is "six hundred sixteen million, six hundred seventy-two thousand, eight hundred forty-four".