43894474 has 16 divisors (see below), whose sum is σ = 71285760. Its totient is φ = 20150640.

The previous prime is 43894463. The next prime is 43894519. The reversal of 43894474 is 47449834.

It is a self number, because there is not a number n which added to its sum of digits gives 43894474.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547 + ... + 9385.

It is an arithmetic number, because the mean of its divisors is an integer number (4455360).

Almost surely, 2^43894474 is an apocalyptic number.

43894474 is a deficient number, since it is larger than the sum of its proper divisors (27391286).

43894474 is a wasteful number, since it uses less digits than its factorization.

43894474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045.

The product of its digits is 387072, while the sum is 43.

The square root of 43894474 is about 6625.2904841977. The cubic root of 43894474 is about 352.7523776524.

The spelling of 43894474 in words is "forty-three million, eight hundred ninety-four thousand, four hundred seventy-four".