2472189 has 4 divisors (see below), whose sum is σ = 3296256. Its totient is φ = 1648124.

The previous prime is 2472181. The next prime is 2472193. The reversal of 2472189 is 9812742.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2472189 - 2³ = 2472181 is a prime.

It is a super-2 number, since 2×2472189² = 12223436903442, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412029 + ... + 412034.

It is an arithmetic number, because the mean of its divisors is an integer number (824064).

2^2472189 is an apocalyptic number.

It is an amenable number.

2472189 is a deficient number, since it is larger than the sum of its proper divisors (824067).

2472189 is an equidigital number, since it uses as much as digits as its factorization.

2472189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824066.

The product of its digits is 8064, while the sum is 33.

The square root of 2472189 is about 1572.3196239951. The cubic root of 2472189 is about 135.2157318913.

The spelling of 2472189 in words is "two million, four hundred seventy-two thousand, one hundred eighty-nine".