2254840 has 32 divisors (see below), whose sum is σ = 5798880. Its totient is φ = 772992.

The previous prime is 2254831. The next prime is 2254849. The reversal of 2254840 is 484522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2254831) and next prime (2254849).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254849) 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, 3747 + ... + 4306.

It is an arithmetic number, because the mean of its divisors is an integer number (181215).

2^2254840 is an apocalyptic number.

2254840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2254840 is an abundant number, since it is smaller than the sum of its proper divisors (3544040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2254840 is a wasteful number, since it uses less digits than its factorization.

2254840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071 (or 8067 counting only the distinct ones).

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

The square root of 2254840 is about 1501.6124666504. The cubic root of 2254840 is about 131.1309608514.

The spelling of 2254840 in words is "two million, two hundred fifty-four thousand, eight hundred forty".