611172 has 24 divisors (see below), whose sum is σ = 1584800. Its totient is φ = 203688.

The previous prime is 611147. The next prime is 611189. The reversal of 611172 is 271116.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 2722 + ... + 2937.

2⁶¹¹¹⁷² is an apocalyptic number.

It is an amenable number.

611172 is an abundant number, since it is smaller than the sum of its proper divisors (973628).

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

611172 is a wasteful number, since it uses less digits than its factorization.

611172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672 (or 5664 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 611172 is about 781.7749036647. The cubic root of 611172 is about 84.8635411387.

Adding to 611172 its reverse (271116), we get a palindrome (882288).

The spelling of 611172 in words is "six hundred eleven thousand, one hundred seventy-two".