534428189 has 8 divisors (see below), whose sum is σ = 556553472. Its totient is φ = 512608320.

The previous prime is 534428177. The next prime is 534428221. The reversal of 534428189 is 981824435.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-534428189 is a prime.

It is a super-2 number, since 2×534428189² = 571226978395639442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534428149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72779 + ... + 79784.

It is an arithmetic number, because the mean of its divisors is an integer number (69569184).

Almost surely, 2^534428189 is an apocalyptic number.

It is an amenable number.

534428189 is a deficient number, since it is larger than the sum of its proper divisors (22125283).

534428189 is a wasteful number, since it uses less digits than its factorization.

534428189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152707.

The product of its digits is 276480, while the sum is 44.

The square root of 534428189 is about 23117.7029351967. The cubic root of 534428189 is about 811.5148145570.

It can be divided in two parts, 5344 and 28189, that added together give a palindrome (33533).

The spelling of 534428189 in words is "five hundred thirty-four million, four hundred twenty-eight thousand, one hundred eighty-nine".