43002089 has 4 divisors (see below), whose sum is σ = 46309956. Its totient is φ = 39694224.

The previous prime is 43002067. The next prime is 43002101. The reversal of 43002089 is 98020034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3097600 + 39904489 = 1760^2 + 6317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43002089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43002049) 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, 1653914 + ... + 1653939.

It is an arithmetic number, because the mean of its divisors is an integer number (11577489).

Almost surely, 2^43002089 is an apocalyptic number.

It is an amenable number.

43002089 is a deficient number, since it is larger than the sum of its proper divisors (3307867).

43002089 is a wasteful number, since it uses less digits than its factorization.

43002089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307866.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 43002089 is about 6557.5978071242. The cubic root of 43002089 is about 350.3454792790.

The spelling of 43002089 in words is "forty-three million, two thousand, eighty-nine".