2170472 has 16 divisors (see below), whose sum is σ = 4113060. Its totient is φ = 1073664.

The previous prime is 2170453. The next prime is 2170477. The reversal of 2170472 is 2740712.

It can be written as a sum of positive squares in 2 ways, for example, as 2149156 + 21316 = 1466^2 + 146^2 .

It is not an unprimeable number, because it can be changed into a prime (2170477) 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, 623 + ... + 2174.

2^2170472 is an apocalyptic number.

It is an amenable number.

2170472 is a deficient number, since it is larger than the sum of its proper divisors (1942588).

2170472 is a wasteful number, since it uses less digits than its factorization.

2170472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2896 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 2170472 is about 1473.2521847939. The cubic root of 2170472 is about 129.4746450860.

The spelling of 2170472 in words is "two million, one hundred seventy thousand, four hundred seventy-two".