43970339 has 4 divisors (see below), whose sum is σ = 50251824. Its totient is φ = 37688856.

The previous prime is 43970317. The next prime is 43970417. The reversal of 43970339 is 93307934.

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 43970339 - 2⁸ = 43970083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43970039) 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, 3140732 + ... + 3140745.

It is an arithmetic number, because the mean of its divisors is an integer number (12562956).

Almost surely, 2^43970339 is an apocalyptic number.

43970339 is a deficient number, since it is larger than the sum of its proper divisors (6281485).

43970339 is an equidigital number, since it uses as much as digits as its factorization.

43970339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281484.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 43970339 is about 6631.0134217931. The cubic root of 43970339 is about 352.9554871686.

The spelling of 43970339 in words is "forty-three million, nine hundred seventy thousand, three hundred thirty-nine".