4420090 has 8 divisors (see below), whose sum is σ = 7956180. Its totient is φ = 1768032.

The previous prime is 4420081. The next prime is 4420127. The reversal of 4420090 is 900244.

It can be written as a sum of positive squares in 2 ways, for example, as 4363921 + 56169 = 2089^2 + 237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 220995 + ... + 221014.

Almost surely, 2^4420090 is an apocalyptic number.

4420090 is a deficient number, since it is larger than the sum of its proper divisors (3536090).

4420090 is a wasteful number, since it uses less digits than its factorization.

4420090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442016.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4420090 is about 2102.4010083711. The cubic root of 4420090 is about 164.1132719354.

The spelling of 4420090 in words is "four million, four hundred twenty thousand, ninety".