43516 has 24 divisors (see below), whose sum is σ = 88704. Its totient is φ = 18480.

The previous prime is 43499. The next prime is 43517. The reversal of 43516 is 61534.

It is a junction number, because it is equal to n+sod(n) for n = 43493 and 43502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43517) 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, 991 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (3696).

2⁴³⁵¹⁶ is an apocalyptic number.

43516 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

43516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44352).

43516 is a wasteful number, since it uses less digits than its factorization.

43516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 79 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 43516 is about 208.6048896838. The cubic root of 43516 is about 35.1735596899.

It can be divided in two parts, 4351 and 6, that multiplied together give a triangular number (26106 = T₂₂₈).

The spelling of 43516 in words is "forty-three thousand, five hundred sixteen".