43491696 has 40 divisors (see below), whose sum is σ = 113523984. Its totient is φ = 14346240.

The previous prime is 43491691. The next prime is 43491697. The reversal of 43491696 is 69619434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43491691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15 + ... + 9326.

Almost surely, 2^43491696 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 43491696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56761992).

43491696 is an abundant number, since it is smaller than the sum of its proper divisors (70032288).

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

43491696 is a wasteful number, since it uses less digits than its factorization.

43491696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9449 (or 9443 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 43491696 is about 6594.8234244747. The cubic root of 43491696 is about 351.6701024150.

The spelling of 43491696 in words is "forty-three million, four hundred ninety-one thousand, six hundred ninety-six".