43428467 has 4 divisors (see below), whose sum is σ = 43451400. Its totient is φ = 43405536.

The previous prime is 43428431. The next prime is 43428481. The reversal of 43428467 is 76482434.

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

It is a cyclic number.

It is not a de Polignac number, because 43428467 - 2⁶ = 43428403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43428467.

It is not an unprimeable number, because it can be changed into a prime (43428487) 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, 8342 + ... + 12507.

It is an arithmetic number, because the mean of its divisors is an integer number (10862850).

Almost surely, 2^43428467 is an apocalyptic number.

43428467 is a deficient number, since it is larger than the sum of its proper divisors (22933).

43428467 is a wasteful number, since it uses less digits than its factorization.

43428467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22932.

The product of its digits is 129024, while the sum is 38.

The square root of 43428467 is about 6590.0278451612. The cubic root of 43428467 is about 351.4995983476.

The spelling of 43428467 in words is "forty-three million, four hundred twenty-eight thousand, four hundred sixty-seven".