2152704 has 36 divisors (see below), whose sum is σ = 5731376. Its totient is φ = 717312.

The previous prime is 2152691. The next prime is 2152729. The reversal of 2152704 is 4072512.

2152704 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

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, 634 + ... + 2169.

2^2152704 is an apocalyptic number.

2152704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2152704 is an abundant number, since it is smaller than the sum of its proper divisors (3578672).

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

2152704 is an equidigital number, since it uses as much as digits as its factorization.

2152704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2152704 is about 1467.2095964790. The cubic root of 2152704 is about 129.1203731895.

It can be divided in two parts, 21 and 52704, that added together give a palindrome (52725).

The spelling of 2152704 in words is "two million, one hundred fifty-two thousand, seven hundred four".