43381801 has 8 divisors (see below), whose sum is σ = 43812800. Its totient is φ = 42953328.

The previous prime is 43381787. The next prime is 43381817. The reversal of 43381801 is 10818334.

43381801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43381801 - 2¹⁷ = 43250729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43381801.

It is not an unprimeable number, because it can be changed into a prime (43381831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54730 + ... + 55516.

It is an arithmetic number, because the mean of its divisors is an integer number (5476600).

Almost surely, 2^43381801 is an apocalyptic number.

It is an amenable number.

43381801 is a deficient number, since it is larger than the sum of its proper divisors (430999).

43381801 is a wasteful number, since it uses less digits than its factorization.

43381801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 43381801 is about 6586.4862407812. The cubic root of 43381801 is about 351.3736520870.

The spelling of 43381801 in words is "forty-three million, three hundred eighty-one thousand, eight hundred one".