2240392 has 32 divisors (see below), whose sum is σ = 5238720. Its totient is φ = 872640.

The previous prime is 2240389. The next prime is 2240431. The reversal of 2240392 is 2930422.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 1203 + ... + 2434.

It is an arithmetic number, because the mean of its divisors is an integer number (163710).

2^2240392 is an apocalyptic number.

2240392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2240392 is an abundant number, since it is smaller than the sum of its proper divisors (2998328).

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

2240392 is a wasteful number, since it uses less digits than its factorization.

2240392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661 (or 3657 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2240392 is about 1496.7939069892. The cubic root of 2240392 is about 130.8502844504.

The spelling of 2240392 in words is "two million, two hundred forty thousand, three hundred ninety-two".