43694444 has 6 divisors (see below), whose sum is σ = 76465284. Its totient is φ = 21847220.

The previous prime is 43694429. The next prime is 43694449. The reversal of 43694444 is 44449634.

It is a junction number, because it is equal to n+sod(n) for n = 43694398 and 43694407.

It is not an unprimeable number, because it can be changed into a prime (43694449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5461802 + ... + 5461809.

It is an arithmetic number, because the mean of its divisors is an integer number (12744214).

Almost surely, 2^43694444 is an apocalyptic number.

It is an amenable number.

43694444 is a deficient number, since it is larger than the sum of its proper divisors (32770840).

43694444 is a wasteful number, since it uses less digits than its factorization.

43694444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10923615 (or 10923613 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The square root of 43694444 is about 6610.1773047325. The cubic root of 43694444 is about 352.2157230530.

The spelling of 43694444 in words is "forty-three million, six hundred ninety-four thousand, four hundred forty-four".