2450840 has 32 divisors (see below), whose sum is σ = 6302880. Its totient is φ = 840192.

The previous prime is 2450837. The next prime is 2450863. The reversal of 2450840 is 480542.

2450840 = 134² + 135² + ... + 213².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4097 + ... + 4656.

It is an arithmetic number, because the mean of its divisors is an integer number (196965).

2^2450840 is an apocalyptic number.

2450840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2450840 is an abundant number, since it is smaller than the sum of its proper divisors (3852040).

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

2450840 is a wasteful number, since it uses less digits than its factorization.

2450840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771 (or 8767 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2450840 is about 1565.5158894115. The cubic root of 2450840 is about 134.8253800826.

The spelling of 2450840 in words is "two million, four hundred fifty thousand, eight hundred forty".