43328965 has 8 divisors (see below), whose sum is σ = 52097688. Its totient is φ = 34594560.

The previous prime is 43328963. The next prime is 43329001. The reversal of 43328965 is 56982334.

It can be written as a sum of positive squares in 4 ways, for example, as 6241 + 43322724 = 79^2 + 6582^2 .

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

It is not a de Polignac number, because 43328965 - 2¹ = 43328963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43328963) 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, 5712 + ... + 10921.

It is an arithmetic number, because the mean of its divisors is an integer number (6512211).

Almost surely, 2^43328965 is an apocalyptic number.

It is an amenable number.

43328965 is a deficient number, since it is larger than the sum of its proper divisors (8768723).

43328965 is a wasteful number, since it uses less digits than its factorization.

43328965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17159.

The product of its digits is 155520, while the sum is 40.

The square root of 43328965 is about 6582.4740789463. The cubic root of 43328965 is about 351.2309446230.

The spelling of 43328965 in words is "forty-three million, three hundred twenty-eight thousand, nine hundred sixty-five".