2168724 has 24 divisors (see below), whose sum is σ = 5358528. Its totient is φ = 680320.

The previous prime is 2168713. The next prime is 2168731. The reversal of 2168724 is 4278612.

It is a junction number, because it is equal to n+sod(n) for n = 2168691 and 2168700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5112 + ... + 5519.

It is an arithmetic number, because the mean of its divisors is an integer number (223272).

2^2168724 is an apocalyptic number.

It is an amenable number.

2168724 is an abundant number, since it is smaller than the sum of its proper divisors (3189804).

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

2168724 is a wasteful number, since it uses less digits than its factorization.

2168724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655 (or 10653 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 2168724 is about 1472.6588199580. The cubic root of 2168724 is about 129.4398780763.

The spelling of 2168724 in words is "two million, one hundred sixty-eight thousand, seven hundred twenty-four".