2240724 has 12 divisors (see below), whose sum is σ = 5228384. Its totient is φ = 746904.

The previous prime is 2240723. The next prime is 2240731. The reversal of 2240724 is 4270422.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2240724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240723) 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, 93352 + ... + 93375.

2^2240724 is an apocalyptic number.

It is an amenable number.

2240724 is an abundant number, since it is smaller than the sum of its proper divisors (2987660).

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

2240724 is a wasteful number, since it uses less digits than its factorization.

2240724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186734 (or 186732 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 2240724 is about 1496.9048065926. The cubic root of 2240724 is about 130.8567476272.

The spelling of 2240724 in words is "two million, two hundred forty thousand, seven hundred twenty-four".