4428890 has 16 divisors (see below), whose sum is σ = 8013600. Its totient is φ = 1762320.

The previous prime is 4428887. The next prime is 4428899. The reversal of 4428890 is 988244.

It is a self number, because there is not a number n which added to its sum of digits gives 4428890.

It is not an unprimeable number, because it can be changed into a prime (4428899) 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, 1061 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (500850).

Almost surely, 2^4428890 is an apocalyptic number.

4428890 is a deficient number, since it is larger than the sum of its proper divisors (3584710).

4428890 is a wasteful number, since it uses less digits than its factorization.

4428890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 4428890 is about 2104.4928130074. The cubic root of 4428890 is about 164.2221113052. Note that the first 3 decimals are identical.

The spelling of 4428890 in words is "four million, four hundred twenty-eight thousand, eight hundred ninety".