2240740 has 24 divisors (see below), whose sum is σ = 4737600. Its totient is φ = 890208.

The previous prime is 2240737. The next prime is 2240741. The reversal of 2240740 is 470422.

It is not an unprimeable number, because it can be changed into a prime (2240741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3699 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (197400).

2^2240740 is an apocalyptic number.

2240740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240740 is an abundant number, since it is smaller than the sum of its proper divisors (2496860).

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

2240740 is a wasteful number, since it uses less digits than its factorization.

2240740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2240740 is about 1496.9101509443. The cubic root of 2240740 is about 130.8570590895.

The spelling of 2240740 in words is "two million, two hundred forty thousand, seven hundred forty".