2440904 has 8 divisors (see below), whose sum is σ = 4576710. Its totient is φ = 1220448.

The previous prime is 2440883. The next prime is 2440937. The reversal of 2440904 is 4090442.

It is a happy number.

2440904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2256004 + 184900 = 1502^2 + 430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2440904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152549 + ... + 152564.

2^2440904 is an apocalyptic number.

It is an amenable number.

2440904 is a deficient number, since it is larger than the sum of its proper divisors (2135806).

2440904 is a wasteful number, since it uses less digits than its factorization.

2440904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305119 (or 305115 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2440904 is about 1562.3392717333. The cubic root of 2440904 is about 134.6429338739.

The spelling of 2440904 in words is "two million, four hundred forty thousand, nine hundred four".