43215116 has 24 divisors (see below), whose sum is σ = 89220096. Its totient is φ = 17922960.

The previous prime is 43215113. The next prime is 43215131. The reversal of 43215116 is 61151234.

It is a junction number, because it is equal to n+sod(n) for n = 43215091 and 43215100.

It is not an unprimeable number, because it can be changed into a prime (43215113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24026 + ... + 25761.

It is an arithmetic number, because the mean of its divisors is an integer number (3717504).

Almost surely, 2^43215116 is an apocalyptic number.

It is an amenable number.

43215116 is an abundant number, since it is smaller than the sum of its proper divisors (46004980).

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

43215116 is a wasteful number, since it uses less digits than its factorization.

43215116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49829 (or 49827 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 43215116 is about 6573.8205025693. The cubic root of 43215116 is about 350.9230492317.

The spelling of 43215116 in words is "forty-three million, two hundred fifteen thousand, one hundred sixteen".