2172792 has 16 divisors (see below), whose sum is σ = 5432040. Its totient is φ = 724256.

The previous prime is 2172791. The next prime is 2172799. The reversal of 2172792 is 2972712.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45243 + ... + 45290.

2^2172792 is an apocalyptic number.

It is an amenable number.

2172792 is an abundant number, since it is smaller than the sum of its proper divisors (3259248).

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

2172792 is a wasteful number, since it uses less digits than its factorization.

2172792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90542 (or 90538 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 2172792 is about 1474.0393481858. The cubic root of 2172792 is about 129.5207601269.

The spelling of 2172792 in words is "two million, one hundred seventy-two thousand, seven hundred ninety-two".