43143696 has 60 divisors (see below), whose sum is σ = 123042348. Its totient is φ = 14107392.

The previous prime is 43143673. The next prime is 43143707. The reversal of 43143696 is 69634134.

It can be written as a sum of positive squares in 2 ways, for example, as 32490000 + 10653696 = 5700^2 + 3264^2 .

It is a super-2 number, since 2×43143696² = 3722757009080832, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 43143696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4806 + ... + 10458.

Almost surely, 2^43143696 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 43143696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61521174).

43143696 is an abundant number, since it is smaller than the sum of its proper divisors (79898652).

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

43143696 is a wasteful number, since it uses less digits than its factorization.

43143696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5720 (or 5711 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 43143696 is about 6568.3861031459. The cubic root of 43143696 is about 350.7296235199.

The spelling of 43143696 in words is "forty-three million, one hundred forty-three thousand, six hundred ninety-six".