2240039 has 12 divisors (see below), whose sum is σ = 2490384. Its totient is φ = 2010624.

The previous prime is 2240027. The next prime is 2240057. The reversal of 2240039 is 9300422.

It is not a de Polignac number, because 2240039 - 2⁴ = 2240023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6479 + ... + 6815.

It is an arithmetic number, because the mean of its divisors is an integer number (207532).

2^2240039 is an apocalyptic number.

2240039 is a deficient number, since it is larger than the sum of its proper divisors (250345).

2240039 is a wasteful number, since it uses less digits than its factorization.

2240039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2240039 is about 1496.6759836384. The cubic root of 2240039 is about 130.8434117578.

The spelling of 2240039 in words is "two million, two hundred forty thousand, thirty-nine".