4428290 has 8 divisors (see below), whose sum is σ = 7970940. Its totient is φ = 1771312.

The previous prime is 4428289. The next prime is 4428301. The reversal of 4428290 is 928244.

It can be written as a sum of positive squares in 2 ways, for example, as 4338889 + 89401 = 2083^2 + 299^2 .

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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221405 + ... + 221424.

Almost surely, 2^4428290 is an apocalyptic number.

4428290 is a deficient number, since it is larger than the sum of its proper divisors (3542650).

4428290 is a wasteful number, since it uses less digits than its factorization.

4428290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442836.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4428290 is about 2104.3502560173. The cubic root of 4428290 is about 164.2146950213.

The spelling of 4428290 in words is "four million, four hundred twenty-eight thousand, two hundred ninety".