2169472 has 32 divisors (see below), whose sum is σ = 4580820. Its totient is φ = 1019904.

The previous prime is 2169469. The next prime is 2169499. The reversal of 2169472 is 2749612.

2169472 is digitally balanced in base 5, 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 2 ways, for example, as 1915456 + 254016 = 1384^2 + 504^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678 + ... + 2674.

2^2169472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2169472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2290410).

2169472 is an abundant number, since it is smaller than the sum of its proper divisors (2411348).

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

2169472 is an equidigital number, since it uses as much as digits as its factorization.

2169472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1016 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 2169472 is about 1472.9127604852. The cubic root of 2169472 is about 129.4547577782.

The spelling of 2169472 in words is "two million, one hundred sixty-nine thousand, four hundred seventy-two".