43679868 has 48 divisors (see below), whose sum is σ = 111412224. Its totient is φ = 13259520.

The previous prime is 43679849. The next prime is 43679891. The reversal of 43679868 is 86897634.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 43679868.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2871 + ... + 9777.

It is an arithmetic number, because the mean of its divisors is an integer number (2321088).

Almost surely, 2^43679868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43679868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55706112).

43679868 is an abundant number, since it is smaller than the sum of its proper divisors (67732356).

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

43679868 is a wasteful number, since it uses less digits than its factorization.

43679868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6962 (or 6960 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 43679868 is about 6609.0746704815. The cubic root of 43679868 is about 352.1765535623.

The spelling of 43679868 in words is "forty-three million, six hundred seventy-nine thousand, eight hundred sixty-eight".