43940395 has 4 divisors (see below), whose sum is σ = 52728480. Its totient is φ = 35152312.

The previous prime is 43940387. The next prime is 43940401. The reversal of 43940395 is 59304934.

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 43940395 - 2³ = 43940387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4394035 + ... + 4394044.

It is an arithmetic number, because the mean of its divisors is an integer number (13182120).

Almost surely, 2^43940395 is an apocalyptic number.

43940395 is a deficient number, since it is larger than the sum of its proper divisors (8788085).

43940395 is an equidigital number, since it uses as much as digits as its factorization.

43940395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788084.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 43940395 is about 6628.7551621703. The cubic root of 43940395 is about 352.8753475456.

The spelling of 43940395 in words is "forty-three million, nine hundred forty thousand, three hundred ninety-five".