4428590 has 16 divisors (see below), whose sum is σ = 8246880. Its totient is φ = 1710240.

The previous prime is 4428587. The next prime is 4428601. The reversal of 4428590 is 958244.

4428590 = 135² + 136² + ... + 250².

It is a super-2 number, since 2×4428590² = 39224818776200, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7346 + ... + 7925.

It is an arithmetic number, because the mean of its divisors is an integer number (515430).

Almost surely, 2^4428590 is an apocalyptic number.

4428590 is a deficient number, since it is larger than the sum of its proper divisors (3818290).

4428590 is a wasteful number, since it uses less digits than its factorization.

4428590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15307.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4428590 is about 2104.4215357195. The cubic root of 4428590 is about 164.2184032470.

The spelling of 4428590 in words is "four million, four hundred twenty-eight thousand, five hundred ninety".