2440789 has 8 divisors (see below), whose sum is σ = 2644992. Its totient is φ = 2238960.

The previous prime is 2440787. The next prime is 2440799. The reversal of 2440789 is 9870442.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2440789 - 2¹ = 2440787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440787) 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, 1992 + ... + 2974.

It is an arithmetic number, because the mean of its divisors is an integer number (330624).

2^2440789 is an apocalyptic number.

It is an amenable number.

2440789 is a deficient number, since it is larger than the sum of its proper divisors (204203).

2440789 is a wasteful number, since it uses less digits than its factorization.

2440789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2440789 is about 1562.3024675139. The cubic root of 2440789 is about 134.6408193321.

The spelling of 2440789 in words is "two million, four hundred forty thousand, seven hundred eighty-nine".