4339409 has 4 divisors (see below), whose sum is σ = 4348260. Its totient is φ = 4330560.

The previous prime is 4339367. The next prime is 4339421. The reversal of 4339409 is 9049334.

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

It can be written as a sum of positive squares in 2 ways, for example, as 861184 + 3478225 = 928^2 + 1865^2 .

It is a cyclic number.

It is not a de Polignac number, because 4339409 - 2¹² = 4335313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4339459) 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, 3644 + ... + 4685.

It is an arithmetic number, because the mean of its divisors is an integer number (1087065).

Almost surely, 2^4339409 is an apocalyptic number.

It is an amenable number.

4339409 is a deficient number, since it is larger than the sum of its proper divisors (8851).

4339409 is an equidigital number, since it uses as much as digits as its factorization.

4339409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 4339409 is about 2083.1248162316. The cubic root of 4339409 is about 163.1086006424.

The spelling of 4339409 in words is "four million, three hundred thirty-nine thousand, four hundred nine".