43016920 has 64 divisors (see below), whose sum is σ = 100077120. Its totient is φ = 16633344.

The previous prime is 43016873. The next prime is 43016989. The reversal of 43016920 is 2961034.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218262 + ... + 218458.

It is an arithmetic number, because the mean of its divisors is an integer number (1563705).

Almost surely, 2^43016920 is an apocalyptic number.

43016920 is a gapful number since it is divisible by the number (40) 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 43016920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50038560).

43016920 is an abundant number, since it is smaller than the sum of its proper divisors (57060200).

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

43016920 is a wasteful number, since it uses less digits than its factorization.

43016920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 43016920 is about 6558.7285353184. The cubic root of 43016920 is about 350.3857515595.

Adding to 43016920 its reverse (2961034), we get a palindrome (45977954).

The spelling of 43016920 in words is "forty-three million, sixteen thousand, nine hundred twenty".