43928394 has 8 divisors (see below), whose sum is σ = 87856800. Its totient is φ = 14642796.

The previous prime is 43928369. The next prime is 43928419. The reversal of 43928394 is 49382934.

It is a happy number.

43928394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43928369) and next prime (43928419).

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

43928394 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3660694 + ... + 3660705.

It is an arithmetic number, because the mean of its divisors is an integer number (10982100).

Almost surely, 2^43928394 is an apocalyptic number.

43928394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43928394 is a wasteful number, since it uses less digits than its factorization.

43928394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321404.

The product of its digits is 186624, while the sum is 42.

The square root of 43928394 is about 6627.8498775998. The cubic root of 43928394 is about 352.8432188507.

The spelling of 43928394 in words is "forty-three million, nine hundred twenty-eight thousand, three hundred ninety-four".