43198272 has 140 divisors (see below), whose sum is σ = 138118596. Its totient is φ = 13271040.

The previous prime is 43198247. The next prime is 43198289. The reversal of 43198272 is 27289134.

It can be written as a sum of positive squares in 2 ways, for example, as 23270976 + 19927296 = 4824^2 + 4464^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67072 + ... + 67712.

Almost surely, 2^43198272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43198272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69059298).

43198272 is an abundant number, since it is smaller than the sum of its proper divisors (94920324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43198272 is a wasteful number, since it uses less digits than its factorization.

43198272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 659 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 43198272 is about 6572.5392353336. The cubic root of 43198272 is about 350.8774500948.

The spelling of 43198272 in words is "forty-three million, one hundred ninety-eight thousand, two hundred seventy-two".