2440285 has 4 divisors (see below), whose sum is σ = 2928348. Its totient is φ = 1952224.

The previous prime is 2440271. The next prime is 2440297. The reversal of 2440285 is 5820442.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 910116 + 1530169 = 954^2 + 1237^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440285 - 2⁵ = 2440253 is a prime.

It is an Ulam number.

It is a Duffinian number.

2440285 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244024 + ... + 244033.

It is an arithmetic number, because the mean of its divisors is an integer number (732087).

2^2440285 is an apocalyptic number.

It is an amenable number.

2440285 is a deficient number, since it is larger than the sum of its proper divisors (488063).

2440285 is an equidigital number, since it uses as much as digits as its factorization.

2440285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488062.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2440285 is about 1562.1411587946. The cubic root of 2440285 is about 134.6315513394.

The spelling of 2440285 in words is "two million, four hundred forty thousand, two hundred eighty-five".