2172592 has 10 divisors (see below), whose sum is σ = 4209428. Its totient is φ = 1086288.

The previous prime is 2172587. The next prime is 2172613. The reversal of 2172592 is 2952712.

It is a self number, because there is not a number n which added to its sum of digits gives 2172592.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67878 + ... + 67909.

2^2172592 is an apocalyptic number.

It is an amenable number.

2172592 is a deficient number, since it is larger than the sum of its proper divisors (2036836).

2172592 is a wasteful number, since it uses less digits than its factorization.

2172592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135795 (or 135789 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 2172592 is about 1473.9715058304. The cubic root of 2172592 is about 129.5167859857.

It can be divided in two parts, 217 and 2592, that added together give a square (2809 = 53²).

The spelling of 2172592 in words is "two million, one hundred seventy-two thousand, five hundred ninety-two".