43968401 has 4 divisors (see below), whose sum is σ = 43982400. Its totient is φ = 43954404.

The previous prime is 43968389. The next prime is 43968439. The reversal of 43968401 is 10486934.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 43968401 - 2¹⁰ = 43967377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43968461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140 + ... + 9378.

It is an arithmetic number, because the mean of its divisors is an integer number (10995600).

Almost surely, 2^43968401 is an apocalyptic number.

It is an amenable number.

43968401 is a deficient number, since it is larger than the sum of its proper divisors (13999).

43968401 is an equidigital number, since it uses as much as digits as its factorization.

43968401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13998.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 43968401 is about 6630.8672886735. The cubic root of 43968401 is about 352.9503015685.

The spelling of 43968401 in words is "forty-three million, nine hundred sixty-eight thousand, four hundred one".