2590340 has 12 divisors (see below), whose sum is σ = 5439756. Its totient is φ = 1036128.

The previous prime is 2590279. The next prime is 2590349. The reversal of 2590340 is 430952.

It can be written as a sum of positive squares in 2 ways, for example, as 1406596 + 1183744 = 1186^2 + 1088^2 .

It is a super-2 number, since 2×2590340² = 13419722631200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2590349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64739 + ... + 64778.

It is an arithmetic number, because the mean of its divisors is an integer number (453313).

2^2590340 is an apocalyptic number.

2590340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2590340 is an abundant number, since it is smaller than the sum of its proper divisors (2849416).

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

2590340 is a wasteful number, since it uses less digits than its factorization.

2590340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129526 (or 129524 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2590340 is about 1609.4533233368. The cubic root of 2590340 is about 137.3363783743.

The spelling of 2590340 in words is "two million, five hundred ninety thousand, three hundred forty".