43968403 has 8 divisors (see below), whose sum is σ = 45500400. Its totient is φ = 42459648.

The previous prime is 43968389. The next prime is 43968439. The reversal of 43968403 is 30486934.

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 43968403 - 2⁵ = 43968371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43968473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1918 + ... + 9571.

It is an arithmetic number, because the mean of its divisors is an integer number (5687550).

Almost surely, 2^43968403 is an apocalyptic number.

43968403 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

43968403 is a deficient number, since it is larger than the sum of its proper divisors (1531997).

43968403 is a wasteful number, since it uses less digits than its factorization.

43968403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 43968403 is about 6630.8674394833. The cubic root of 43968403 is about 352.9503069201.

The spelling of 43968403 in words is "forty-three million, nine hundred sixty-eight thousand, four hundred three".