2642172 has 24 divisors (see below), whose sum is σ = 6639696. Its totient is φ = 812928.

The previous prime is 2642149. The next prime is 2642173. The reversal of 2642172 is 2712462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642173) 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, 8313 + ... + 8624.

It is an arithmetic number, because the mean of its divisors is an integer number (276654).

2^2642172 is an apocalyptic number.

It is an amenable number.

2642172 is an abundant number, since it is smaller than the sum of its proper divisors (3997524).

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

2642172 is a wasteful number, since it uses less digits than its factorization.

2642172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16957 (or 16955 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 2642172 is about 1625.4759303047. The cubic root of 2642172 is about 138.2463568348.

The spelling of 2642172 in words is "two million, six hundred forty-two thousand, one hundred seventy-two".