43368961 has 4 divisors (see below), whose sum is σ = 45254592. Its totient is φ = 41483332.

The previous prime is 43368947. The next prime is 43368971. The reversal of 43368961 is 16986334.

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.

It is a cyclic number.

It is not a de Polignac number, because 43368961 - 2¹³ = 43360769 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43368931) 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, 942781 + ... + 942826.

It is an arithmetic number, because the mean of its divisors is an integer number (11313648).

Almost surely, 2^43368961 is an apocalyptic number.

It is an amenable number.

43368961 is a deficient number, since it is larger than the sum of its proper divisors (1885631).

43368961 is a wasteful number, since it uses less digits than its factorization.

43368961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885630.

The product of its digits is 93312, while the sum is 40.

The square root of 43368961 is about 6585.5114455902. The cubic root of 43368961 is about 351.3389825345.

The spelling of 43368961 in words is "forty-three million, three hundred sixty-eight thousand, nine hundred sixty-one".