43071996 has 48 divisors (see below), whose sum is σ = 112613760. Its totient is φ = 12697920.

The previous prime is 43071991. The next prime is 43071997. The reversal of 43071996 is 69917034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43071991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475 + ... + 9293.

It is an arithmetic number, because the mean of its divisors is an integer number (2346120).

Almost surely, 2^43071996 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 43071996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56306880).

43071996 is an abundant number, since it is smaller than the sum of its proper divisors (69541764).

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

43071996 is a wasteful number, since it uses less digits than its factorization.

43071996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8874 (or 8872 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 43071996 is about 6562.9258718959. The cubic root of 43071996 is about 350.5352246476.

The spelling of 43071996 in words is "forty-three million, seventy-one thousand, nine hundred ninety-six".