2240432 has 20 divisors (see below), whose sum is σ = 4481856. Its totient is φ = 1083840.

The previous prime is 2240431. The next prime is 2240449. The reversal of 2240432 is 2340422.

2240432 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240432.

It is not an unprimeable number, because it can be changed into a prime (2240431) 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, 1763 + ... + 2754.

2^2240432 is an apocalyptic number.

It is an amenable number.

2240432 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2240432 is a wasteful number, since it uses less digits than its factorization.

2240432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556 (or 4550 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2240432 is about 1496.8072688225. The cubic root of 2240432 is about 130.8510631802.

Adding to 2240432 its reverse (2340422), we get a palindrome (4580854).

The spelling of 2240432 in words is "two million, two hundred forty thousand, four hundred thirty-two".