2490858 has 32 divisors (see below), whose sum is σ = 5587200.
Its totient is φ = 822528.
The previous prime is 2490847. The next prime is 2490869. The reversal of 2490858 is 8580942.
It is an interprime number because it is at equal distance from previous prime (2490847) and next prime (2490869).
It is a congruent 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, 10303 + ... + 10541.
It is an arithmetic number, because the mean of its divisors is an integer number (174600).
22490858 is an apocalyptic number.
2490858 is an abundant number, since it is smaller than the sum of its proper divisors (3096342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2490858 is a wasteful number, since it uses less digits than its factorization.
2490858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 443 (or 437 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 2490858 is about 1578.2452280935.
The cubic root of 2490858 is about 135.5552440595.
Note that the first 3 decimals are identical.
The spelling of 2490858 in words is "two million, four hundred ninety thousand, eight hundred fifty-eight".