2440172 has 12 divisors (see below), whose sum is σ = 4880400. Its totient is φ = 1045776.

The previous prime is 2440153. The next prime is 2440177. The reversal of 2440172 is 2710442.

2440172 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2440177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43547 + ... + 43602.

It is an arithmetic number, because the mean of its divisors is an integer number (406700).

2^2440172 is an apocalyptic number.

It is an amenable number.

2440172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2440172 is a wasteful number, since it uses less digits than its factorization.

2440172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87160 (or 87158 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2440172 is about 1562.1049900695. The cubic root of 2440172 is about 134.6294732214.

The spelling of 2440172 in words is "two million, four hundred forty thousand, one hundred seventy-two".