611979 has 8 divisors (see below), whose sum is σ = 822480. Its totient is φ = 404736.

The previous prime is 611977. The next prime is 611993. The reversal of 611979 is 979116.

611979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 611979 - 2¹ = 611977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334 + ... + 1155.

It is an arithmetic number, because the mean of its divisors is an integer number (102810).

2⁶¹¹⁹⁷⁹ is an apocalyptic number.

611979 is a deficient number, since it is larger than the sum of its proper divisors (210501).

611979 is a wasteful number, since it uses less digits than its factorization.

611979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629.

The product of its digits is 3402, while the sum is 33.

The square root of 611979 is about 782.2908666219. The cubic root of 611979 is about 84.9008763771.

The spelling of 611979 in words is "six hundred eleven thousand, nine hundred seventy-nine".