2558490 has 32 divisors (see below), whose sum is σ = 6699456. Its totient is φ = 620160.

The previous prime is 2558489. The next prime is 2558503. The reversal of 2558490 is 948552.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3547 + ... + 4206.

It is an arithmetic number, because the mean of its divisors is an integer number (209358).

2^2558490 is an apocalyptic number.

2558490 is an abundant number, since it is smaller than the sum of its proper divisors (4140966).

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

2558490 is a wasteful number, since it uses less digits than its factorization.

2558490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2558490 is about 1599.5280553963. The cubic root of 2558490 is about 136.7711739475.

The spelling of 2558490 in words is "two million, five hundred fifty-eight thousand, four hundred ninety".