2440239 has 8 divisors (see below), whose sum is σ = 3270960. Its totient is φ = 1618176.

The previous prime is 2440237. The next prime is 2440241. The reversal of 2440239 is 9320442.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2440237) and next prime (2440241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2440239 - 2¹ = 2440237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440237) 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, 1474 + ... + 2655.

It is an arithmetic number, because the mean of its divisors is an integer number (408870).

2^2440239 is an apocalyptic number.

2440239 is a deficient number, since it is larger than the sum of its proper divisors (830721).

2440239 is a wasteful number, since it uses less digits than its factorization.

2440239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2440239 is about 1562.1264353438. The cubic root of 2440239 is about 134.6307053876.

The spelling of 2440239 in words is "two million, four hundred forty thousand, two hundred thirty-nine".