43985198 has 4 divisors (see below), whose sum is σ = 65977800. Its totient is φ = 21992598.

The previous prime is 43985191. The next prime is 43985213. The reversal of 43985198 is 89158934.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43985191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10996298 + ... + 10996301.

It is an arithmetic number, because the mean of its divisors is an integer number (16494450).

Almost surely, 2^43985198 is an apocalyptic number.

43985198 is a deficient number, since it is larger than the sum of its proper divisors (21992602).

43985198 is a wasteful number, since it uses less digits than its factorization.

43985198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21992601.

The product of its digits is 311040, while the sum is 47.

The square root of 43985198 is about 6632.1337441279. The cubic root of 43985198 is about 352.9952410500.

The spelling of 43985198 in words is "forty-three million, nine hundred eighty-five thousand, one hundred ninety-eight".