2858490 has 40 divisors (see below), whose sum is σ = 7688340. Its totient is φ = 762048.

The previous prime is 2858489. The next prime is 2858503. The reversal of 2858490 is 948582.

It can be written as a sum of positive squares in 2 ways, for example, as 2595321 + 263169 = 1611^2 + 513^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 955 + ... + 2574.

2^2858490 is an apocalyptic number.

2858490 is an abundant number, since it is smaller than the sum of its proper divisors (4829850).

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

2858490 is a wasteful number, since it uses less digits than its factorization.

2858490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 3539 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2858490 is about 1690.7069527272. The cubic root of 2858490 is about 141.9206393822.

The spelling of 2858490 in words is "two million, eight hundred fifty-eight thousand, four hundred ninety".