28854429 has 8 divisors (see below), whose sum is σ = 38539200. Its totient is φ = 19202976.

The previous prime is 28854401. The next prime is 28854473. The reversal of 28854429 is 92445882.

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

It is not a de Polignac number, because 28854429 - 2⁹ = 28853917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28854479) 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, 6232 + ... + 9825.

It is an arithmetic number, because the mean of its divisors is an integer number (4817400).

Almost surely, 2^28854429 is an apocalyptic number.

It is an amenable number.

28854429 is a deficient number, since it is larger than the sum of its proper divisors (9684771).

28854429 is a wasteful number, since it uses less digits than its factorization.

28854429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16659.

The product of its digits is 184320, while the sum is 42.

The square root of 28854429 is about 5371.6318749520. The cubic root of 28854429 is about 306.7167507729.

The spelling of 28854429 in words is "twenty-eight million, eight hundred fifty-four thousand, four hundred twenty-nine".