4426820 has 24 divisors (see below), whose sum is σ = 9336600. Its totient is φ = 1763072.

The previous prime is 4426813. The next prime is 4426843. The reversal of 4426820 is 286244.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 4426816 = 2^2 + 2104^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4426820.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7496 + ... + 8064.

It is an arithmetic number, because the mean of its divisors is an integer number (389025).

Almost surely, 2^4426820 is an apocalyptic number.

It is an amenable number.

4426820 is an abundant number, since it is smaller than the sum of its proper divisors (4909780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4426820 is a wasteful number, since it uses less digits than its factorization.

4426820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4426820 is about 2104.0009505701. Note that the first 3 decimals coincide. The cubic root of 4426820 is about 164.1965222942.

The spelling of 4426820 in words is "four million, four hundred twenty-six thousand, eight hundred twenty".