4389426 has 12 divisors (see below), whose sum is σ = 9510462. Its totient is φ = 1463136.

The previous prime is 4389403. The next prime is 4389439. The reversal of 4389426 is 6249834.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3606201 + 783225 = 1899^2 + 885^2 .

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 5 ways as a sum of consecutive naturals, for example, 121911 + ... + 121946.

Almost surely, 2^4389426 is an apocalyptic number.

4389426 is an abundant number, since it is smaller than the sum of its proper divisors (5121036).

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

4389426 is a wasteful number, since it uses less digits than its factorization.

4389426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243865 (or 243862 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4389426 is about 2095.0957018714. The cubic root of 4389426 is about 163.7328836294.

The spelling of 4389426 in words is "four million, three hundred eighty-nine thousand, four hundred twenty-six".