2420172 has 24 divisors (see below), whose sum is σ = 6274800. Its totient is φ = 806688.

The previous prime is 2420167. The next prime is 2420179. The reversal of 2420172 is 2710242.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2420179) 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, 11097 + ... + 11312.

It is an arithmetic number, because the mean of its divisors is an integer number (261450).

2^2420172 is an apocalyptic number.

It is an amenable number.

2420172 is an abundant number, since it is smaller than the sum of its proper divisors (3854628).

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

2420172 is a wasteful number, since it uses less digits than its factorization.

2420172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22422 (or 22414 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2420172 is about 1555.6902005219. The cubic root of 2420172 is about 134.2606495718.

The spelling of 2420172 in words is "two million, four hundred twenty thousand, one hundred seventy-two".