43689446 has 8 divisors (see below), whose sum is σ = 65667000. Its totient is φ = 21800448.

The previous prime is 43689403. The next prime is 43689463. The reversal of 43689446 is 64498634.

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 = 43689397 and 43689406.

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, 20891 + ... + 22886.

It is an arithmetic number, because the mean of its divisors is an integer number (8208375).

Almost surely, 2^43689446 is an apocalyptic number.

43689446 is a deficient number, since it is larger than the sum of its proper divisors (21977554).

43689446 is a wasteful number, since it uses less digits than its factorization.

43689446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44278.

The product of its digits is 497664, while the sum is 44.

The square root of 43689446 is about 6609.7992405216. The cubic root of 43689446 is about 352.2022931128.

The spelling of 43689446 in words is "forty-three million, six hundred eighty-nine thousand, four hundred forty-six".