43891342 has 8 divisors (see below), whose sum is σ = 71822232. Its totient is φ = 19950600.

The previous prime is 43891333. The next prime is 43891363. The reversal of 43891342 is 24319834.

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

It is a junction number, because it is equal to n+sod(n) for n = 43891298 and 43891307.

It is a congruent number.

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, 997509 + ... + 997552.

It is an arithmetic number, because the mean of its divisors is an integer number (8977779).

Almost surely, 2^43891342 is an apocalyptic number.

43891342 is a deficient number, since it is larger than the sum of its proper divisors (27930890).

43891342 is a wasteful number, since it uses less digits than its factorization.

43891342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995074.

The product of its digits is 20736, while the sum is 34.

The square root of 43891342 is about 6625.0541129865. The cubic root of 43891342 is about 352.7439874791.

The spelling of 43891342 in words is "forty-three million, eight hundred ninety-one thousand, three hundred forty-two".