2823690 has 32 divisors (see below), whose sum is σ = 6892416. Its totient is φ = 740160.

The previous prime is 2823679. The next prime is 2823721. The reversal of 2823690 is 963282.

It is a super-2 number, since 2×2823690² = 15946450432200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is an Ulam number.

It is a zygodrome in base 7.

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, 1059 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (215388).

2^2823690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2823690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3446208).

2823690 is an abundant number, since it is smaller than the sum of its proper divisors (4068726).

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

2823690 is a wasteful number, since it uses less digits than its factorization.

2823690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

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

The square root of 2823690 is about 1680.3838847121. The cubic root of 2823690 is about 141.3423600401.

The spelling of 2823690 in words is "two million, eight hundred twenty-three thousand, six hundred ninety".