616994884 has 24 divisors (see below), whose sum is σ = 1190050848. Its totient is φ = 277559040.

The previous prime is 616994881. The next prime is 616994887. The reversal of 616994884 is 488499616.

It is an interprime number because it is at equal distance from previous prime (616994881) and next prime (616994887).

It is not an unprimeable number, because it can be changed into a prime (616994881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68014 + ... + 76549.

It is an arithmetic number, because the mean of its divisors is an integer number (49585452).

Almost surely, 2^616994884 is an apocalyptic number.

It is an amenable number.

616994884 is a deficient number, since it is larger than the sum of its proper divisors (573055964).

616994884 is a wasteful number, since it uses less digits than its factorization.

616994884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144675 (or 144673 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 55.

The square root of 616994884 is about 24839.3817153326. The cubic root of 616994884 is about 851.3219954446.

The spelling of 616994884 in words is "six hundred sixteen million, nine hundred ninety-four thousand, eight hundred eighty-four".