2440623 has 4 divisors (see below), whose sum is σ = 3254168. Its totient is φ = 1627080.

The previous prime is 2440621. The next prime is 2440643. The reversal of 2440623 is 3260442.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2440623 - 2¹ = 2440621 is a prime.

It is a D-number.

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 2440623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406768 + ... + 406773.

It is an arithmetic number, because the mean of its divisors is an integer number (813542).

2^2440623 is an apocalyptic number.

2440623 is a deficient number, since it is larger than the sum of its proper divisors (813545).

2440623 is an equidigital number, since it uses as much as digits as its factorization.

2440623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813544.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2440623 is about 1562.2493398942. The cubic root of 2440623 is about 134.6377669199.

The spelling of 2440623 in words is "two million, four hundred forty thousand, six hundred twenty-three".