4421828 has 6 divisors (see below), whose sum is σ = 7738206. Its totient is φ = 2210912.

The previous prime is 4421801. The next prime is 4421831. The reversal of 4421828 is 8281244.

It can be written as a sum of positive squares in only one way, i.e., 3810304 + 611524 = 1952^2 + 782^2 .

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 4421828.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552725 + ... + 552732.

It is an arithmetic number, because the mean of its divisors is an integer number (1289701).

Almost surely, 2^4421828 is an apocalyptic number.

It is an amenable number.

4421828 is a deficient number, since it is larger than the sum of its proper divisors (3316378).

4421828 is a wasteful number, since it uses less digits than its factorization.

4421828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105461 (or 1105459 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 4421828 is about 2102.8143046879. The cubic root of 4421828 is about 164.1347791514.

The spelling of 4421828 in words is "four million, four hundred twenty-one thousand, eight hundred twenty-eight".