2587320 has 48 divisors (see below), whose sum is σ = 8409960. Its totient is φ = 689856.

The previous prime is 2587289. The next prime is 2587337. The reversal of 2587320 is 237852.

2587320 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3234 + ... + 3953.

2^2587320 is an apocalyptic number.

2587320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2587320 is an abundant number, since it is smaller than the sum of its proper divisors (5822640).

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

2587320 is a wasteful number, since it uses less digits than its factorization.

2587320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204 (or 7197 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2587320 is about 1608.5148429530. The cubic root of 2587320 is about 137.2829854926.

The spelling of 2587320 in words is "two million, five hundred eighty-seven thousand, three hundred twenty".