2421172 has 24 divisors (see below), whose sum is σ = 4618152. Its totient is φ = 1104000.

The previous prime is 2421163. The next prime is 2421203. The reversal of 2421172 is 2711242.

It is a happy number.

2421172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 364816 + 2056356 = 604^2 + 1434^2 .

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5022 + ... + 5482.

It is an arithmetic number, because the mean of its divisors is an integer number (192423).

2^2421172 is an apocalyptic number.

It is an amenable number.

2421172 is a deficient number, since it is larger than the sum of its proper divisors (2196980).

2421172 is a wasteful number, since it uses less digits than its factorization.

2421172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 577 counting only the distinct ones).

The product of its digits is 224, while the sum is 19.

The square root of 2421172 is about 1556.0115680804. The cubic root of 2421172 is about 134.2791389136.

The spelling of 2421172 in words is "two million, four hundred twenty-one thousand, one hundred seventy-two".