4420109 has 4 divisors (see below), whose sum is σ = 4424316. Its totient is φ = 4415904.

The previous prime is 4420081. The next prime is 4420127. The reversal of 4420109 is 9010244.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1162084 + 3258025 = 1078^2 + 1805^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420109 - 2⁸ = 4419853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420139) 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, 977 + ... + 3129.

It is an arithmetic number, because the mean of its divisors is an integer number (1106079).

Almost surely, 2^4420109 is an apocalyptic number.

It is an amenable number.

4420109 is a deficient number, since it is larger than the sum of its proper divisors (4207).

4420109 is a wasteful number, since it uses less digits than its factorization.

4420109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4420109 is about 2102.4055270095. The cubic root of 4420109 is about 164.1135070851.

The spelling of 4420109 in words is "four million, four hundred twenty thousand, one hundred nine".