2826390 has 64 divisors (see below), whose sum is σ = 7958016. Its totient is φ = 628992.

The previous prime is 2826379. The next prime is 2826413. The reversal of 2826390 is 936282.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8874 + ... + 9186.

It is an arithmetic number, because the mean of its divisors is an integer number (124344).

2^2826390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2826390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3979008).

2826390 is an abundant number, since it is smaller than the sum of its proper divisors (5131626).

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

2826390 is a wasteful number, since it uses less digits than its factorization.

2826390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2826390 is about 1681.1870806070. The cubic root of 2826390 is about 141.3873960038.

The spelling of 2826390 in words is "two million, eight hundred twenty-six thousand, three hundred ninety".