2443090 has 16 divisors (see below), whose sum is σ = 4736088. Its totient is φ = 902016.

The previous prime is 2443069. The next prime is 2443093. The reversal of 2443090 is 903442.

It can be written as a sum of positive squares in 4 ways, for example, as 1798281 + 644809 = 1341^2 + 803^2 .

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2443093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9267 + ... + 9526.

2^2443090 is an apocalyptic number.

2443090 is a deficient number, since it is larger than the sum of its proper divisors (2292998).

2443090 is a wasteful number, since it uses less digits than its factorization.

2443090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18813.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2443090 is about 1563.0387071343. The cubic root of 2443090 is about 134.6831159312.

The spelling of 2443090 in words is "two million, four hundred forty-three thousand, ninety".