611984 has 20 divisors (see below), whose sum is σ = 1238016. Its totient is φ = 292512.

The previous prime is 611977. The next prime is 611993. The reversal of 611984 is 489116.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464 + ... + 1199.

2⁶¹¹⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

611984 is an abundant number, since it is smaller than the sum of its proper divisors (626032).

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

611984 is a wasteful number, since it uses less digits than its factorization.

611984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1688 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The square root of 611984 is about 782.2940623576. The cubic root of 611984 is about 84.9011075959.

The spelling of 611984 in words is "six hundred eleven thousand, nine hundred eighty-four".