611994984 has 32 divisors (see below), whose sum is σ = 1531057920. Its totient is φ = 203855616.

The previous prime is 611994979. The next prime is 611995009. The reversal of 611994984 is 489499116.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29472 + ... + 45744.

It is an arithmetic number, because the mean of its divisors is an integer number (47845560).

Almost surely, 2^611994984 is an apocalyptic number.

It is an amenable number.

611994984 is an abundant number, since it is smaller than the sum of its proper divisors (919062936).

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

611994984 is a wasteful number, since it uses less digits than its factorization.

611994984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17849 (or 17845 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The square root of 611994984 is about 24738.5323736070. The cubic root of 611994984 is about 849.0161553305.

The spelling of 611994984 in words is "six hundred eleven million, nine hundred ninety-four thousand, nine hundred eighty-four".