43534216 has 64 divisors (see below), whose sum is σ = 94193280. Its totient is φ = 18670080.

The previous prime is 43534213. The next prime is 43534219. The reversal of 43534216 is 61243534.

It is an interprime number because it is at equal distance from previous prime (43534213) and next prime (43534219).

It is not an unprimeable number, because it can be changed into a prime (43534213) 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, 277210 + ... + 277366.

It is an arithmetic number, because the mean of its divisors is an integer number (1471770).

Almost surely, 2^43534216 is an apocalyptic number.

43534216 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43534216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47096640).

43534216 is an abundant number, since it is smaller than the sum of its proper divisors (50659064).

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

43534216 is a wasteful number, since it uses less digits than its factorization.

43534216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 330 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 43534216 is about 6598.0463775272. The cubic root of 43534216 is about 351.7846694381.

The spelling of 43534216 in words is "forty-three million, five hundred thirty-four thousand, two hundred sixteen".