2443290 has 32 divisors (see below), whose sum is σ = 6120576. Its totient is φ = 623040.

The previous prime is 2443283. The next prime is 2443351. The reversal of 2443290 is 923442.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2443290.

It is a congruent number.

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, 1081 + ... + 2460.

It is an arithmetic number, because the mean of its divisors is an integer number (191268).

2^2443290 is an apocalyptic number.

2443290 is an abundant number, since it is smaller than the sum of its proper divisors (3677286).

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

2443290 is a wasteful number, since it uses less digits than its factorization.

2443290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2443290 is about 1563.1026837671. The cubic root of 2443290 is about 134.6867910432.

The spelling of 2443290 in words is "two million, four hundred forty-three thousand, two hundred ninety".