616839954 has 24 divisors (see below), whose sum is σ = 1247793360. Its totient is φ = 203287392.

The previous prime is 616839929. The next prime is 616839961. The reversal of 616839954 is 459938616.

It is a junction number, because it is equal to n+sod(n) for n = 616839897 and 616839906.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41037 + ... + 54015.

It is an arithmetic number, because the mean of its divisors is an integer number (51991390).

Almost surely, 2^616839954 is an apocalyptic number.

616839954 is an abundant number, since it is smaller than the sum of its proper divisors (630953406).

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

616839954 is a wasteful number, since it uses less digits than its factorization.

616839954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13162 (or 13073 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 616839954 is about 24836.2628831312. The cubic root of 616839954 is about 851.2507326397.

The spelling of 616839954 in words is "six hundred sixteen million, eight hundred thirty-nine thousand, nine hundred fifty-four".