43399368 has 128 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 13298688.

The previous prime is 43399357. The next prime is 43399387. The reversal of 43399368 is 86399334.

It is a nude number because it is divisible by every one of its digits.

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 31 ways as a sum of consecutive naturals, for example, 194505 + ... + 194727.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 2^43399368 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 43399368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65318400).

43399368 is an abundant number, since it is smaller than the sum of its proper divisors (87237432).

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

43399368 is a wasteful number, since it uses less digits than its factorization.

43399368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 298 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 43399368 is about 6587.8196696631. The cubic root of 43399368 is about 351.4210740306.

The spelling of 43399368 in words is "forty-three million, three hundred ninety-nine thousand, three hundred sixty-eight".