4343939 has 4 divisors (see below), whose sum is σ = 4493760. Its totient is φ = 4194120.

The previous prime is 4343923. The next prime is 4343957. The reversal of 4343939 is 9393434.

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 4343939 - 2⁴ = 4343923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4343899 and 4343908.

It is not an unprimeable number, because it can be changed into a prime (4343539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74867 + ... + 74924.

It is an arithmetic number, because the mean of its divisors is an integer number (1123440).

Almost surely, 2^4343939 is an apocalyptic number.

4343939 is a deficient number, since it is larger than the sum of its proper divisors (149821).

4343939 is a wasteful number, since it uses less digits than its factorization.

4343939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149820.

The product of its digits is 34992, while the sum is 35.

The square root of 4343939 is about 2084.2118414403. The cubic root of 4343939 is about 163.1653383993.

The spelling of 4343939 in words is "four million, three hundred forty-three thousand, nine hundred thirty-nine".