2082390 has 32 divisors (see below), whose sum is σ = 5122656. Its totient is φ = 541440.

The previous prime is 2082341. The next prime is 2082391. The reversal of 2082390 is 932802.

It is a super-2 number, since 2×2082390² = 8672696224200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2082390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2082391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384 + ... + 2076.

It is an arithmetic number, because the mean of its divisors is an integer number (160083).

2^2082390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2082390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561328).

2082390 is an abundant number, since it is smaller than the sum of its proper divisors (3040266).

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

2082390 is a wasteful number, since it uses less digits than its factorization.

2082390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2082390 is about 1443.0488557218. The cubic root of 2082390 is about 127.6989588825.

The spelling of 2082390 in words is "two million, eighty-two thousand, three hundred ninety".