2290782 has 32 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 687456.

The previous prime is 2290751. The next prime is 2290789. The reversal of 2290782 is 2870922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3013 + ... + 3695.

It is an arithmetic number, because the mean of its divisors is an integer number (158004).

2^2290782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2290782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2528064).

2290782 is an abundant number, since it is smaller than the sum of its proper divisors (2765346).

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

2290782 is a wasteful number, since it uses less digits than its factorization.

2290782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2290782 is about 1513.5329530605. The cubic root of 2290782 is about 131.8240309011.

The spelling of 2290782 in words is "two million, two hundred ninety thousand, seven hundred eighty-two".