4343409 has 40 divisors (see below), whose sum is σ = 7618720. Its totient is φ = 2444904.

The previous prime is 4343401. The next prime is 4343429. The reversal of 4343409 is 9043434.

It is not a de Polignac number, because 4343409 - 2³ = 4343401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (4343401) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64794 + ... + 64860.

It is an arithmetic number, because the mean of its divisors is an integer number (190468).

Almost surely, 2^4343409 is an apocalyptic number.

4343409 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4343409 is a deficient number, since it is larger than the sum of its proper divisors (3275311).

4343409 is an frugal number, since it uses more digits than its factorization.

4343409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 4343409 is about 2084.0846911774. The cubic root of 4343409 is about 163.1587022451.

The spelling of 4343409 in words is "four million, three hundred forty-three thousand, four hundred nine".