43946427 has 8 divisors (see below), whose sum is σ = 66966016. Its totient is φ = 25112232.

The previous prime is 43946407. The next prime is 43946443. The reversal of 43946427 is 72464934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43946427 - 2⁷ = 43946299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43946407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046323 + ... + 1046364.

It is an arithmetic number, because the mean of its divisors is an integer number (8370752).

Almost surely, 2^43946427 is an apocalyptic number.

43946427 is a deficient number, since it is larger than the sum of its proper divisors (23019589).

43946427 is a wasteful number, since it uses less digits than its factorization.

43946427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092697.

The product of its digits is 145152, while the sum is 39.

The square root of 43946427 is about 6629.2101339451. The cubic root of 43946427 is about 352.8914940148.

The spelling of 43946427 in words is "forty-three million, nine hundred forty-six thousand, four hundred twenty-seven".