4427939 has 4 divisors (see below), whose sum is σ = 4688424. Its totient is φ = 4167456.

The previous prime is 4427933. The next prime is 4427957. The reversal of 4427939 is 9397244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4427939 - 2¹⁶ = 4362403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4427933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130217 + ... + 130250.

It is an arithmetic number, because the mean of its divisors is an integer number (1172106).

Almost surely, 2^4427939 is an apocalyptic number.

4427939 is a deficient number, since it is larger than the sum of its proper divisors (260485).

4427939 is a wasteful number, since it uses less digits than its factorization.

4427939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260484.

The product of its digits is 54432, while the sum is 38.

The square root of 4427939 is about 2104.2668557006. The cubic root of 4427939 is about 164.2103561847.

The spelling of 4427939 in words is "four million, four hundred twenty-seven thousand, nine hundred thirty-nine".