611982 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 174744.

The previous prime is 611977. The next prime is 611993. The reversal of 611982 is 289116.

611982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁶¹¹⁹⁸² is an apocalyptic number.

611982 is an abundant number, since it is smaller than the sum of its proper divisors (943218).

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

611982 is a wasteful number, since it uses less digits than its factorization.

611982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1631 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 611982 is about 782.2927840649. The cubic root of 611982 is about 84.9010151085.

The spelling of 611982 in words is "six hundred eleven thousand, nine hundred eighty-two".