43428466 has 4 divisors (see below), whose sum is σ = 65142702. Its totient is φ = 21714232.

The previous prime is 43428431. The next prime is 43428481. The reversal of 43428466 is 66482434.

43428466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 2019241 = 6435^2 + 1421^2 .

It is a super-2 number, since 2×43428466² = 3772063318226312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10857115 + ... + 10857118.

Almost surely, 2^43428466 is an apocalyptic number.

43428466 is a deficient number, since it is larger than the sum of its proper divisors (21714236).

43428466 is a wasteful number, since it uses less digits than its factorization.

43428466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21714235.

The product of its digits is 110592, while the sum is 37.

The square root of 43428466 is about 6590.0277692890. The cubic root of 43428466 is about 351.4995956497.

It can be divided in two parts, 434 and 28466, that added together give a square (28900 = 170²).

The spelling of 43428466 in words is "forty-three million, four hundred twenty-eight thousand, four hundred sixty-six".