2660172 has 24 divisors (see below), whose sum is σ = 6408192. Its totient is φ = 858000.

The previous prime is 2660137. The next prime is 2660173. The reversal of 2660172 is 2710662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2660173) 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, 3204 + ... + 3947.

It is an arithmetic number, because the mean of its divisors is an integer number (267008).

2^2660172 is an apocalyptic number.

It is an amenable number.

2660172 is an abundant number, since it is smaller than the sum of its proper divisors (3748020).

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

2660172 is a wasteful number, since it uses less digits than its factorization.

2660172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7189 (or 7187 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2660172 is about 1631.0033721608. The cubic root of 2660172 is about 138.5595845922.

The spelling of 2660172 in words is "two million, six hundred sixty thousand, one hundred seventy-two".