43297086 has 96 divisors (see below), whose sum is σ = 110972160. Its totient is φ = 11176704.

The previous prime is 43297081. The next prime is 43297099. The reversal of 43297086 is 68079234.

43297086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43297081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128310 + ... + 128646.

It is an arithmetic number, because the mean of its divisors is an integer number (1155960).

Almost surely, 2^43297086 is an apocalyptic number.

43297086 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 43297086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55486080).

43297086 is an abundant number, since it is smaller than the sum of its proper divisors (67675074).

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

43297086 is a wasteful number, since it uses less digits than its factorization.

43297086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 43297086 is about 6580.0521274531. The cubic root of 43297086 is about 351.1447848726.

The spelling of 43297086 in words is "forty-three million, two hundred ninety-seven thousand, eighty-six".