2591304 has 16 divisors (see below), whose sum is σ = 6478320. Its totient is φ = 863760.

The previous prime is 2591273. The next prime is 2591333. The reversal of 2591304 is 4031952.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 107971 = 2591304 / (2 + 5 + 9 + 1 + 3 + 0 + 4).

It is an Ulam 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, 53962 + ... + 54009.

It is an arithmetic number, because the mean of its divisors is an integer number (404895).

2^2591304 is an apocalyptic number.

2591304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2591304 is an abundant number, since it is smaller than the sum of its proper divisors (3887016).

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

2591304 is a wasteful number, since it uses less digits than its factorization.

2591304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107980 (or 107976 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2591304 is about 1609.7527760498. The cubic root of 2591304 is about 137.3534129268.

The spelling of 2591304 in words is "two million, five hundred ninety-one thousand, three hundred four".