28985467 has 8 divisors (see below), whose sum is σ = 34021856. Its totient is φ = 24172992.

The previous prime is 28985447. The next prime is 28985477. The reversal of 28985467 is 76458982.

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-28985467 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 28985467.

It is not an unprimeable number, because it can be changed into a prime (28985447) 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, 55698 + ... + 56215.

It is an arithmetic number, because the mean of its divisors is an integer number (4252732).

Almost surely, 2^28985467 is an apocalyptic number.

28985467 is a deficient number, since it is larger than the sum of its proper divisors (5036389).

28985467 is a wasteful number, since it uses less digits than its factorization.

28985467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111957.

The product of its digits is 967680, while the sum is 49.

The square root of 28985467 is about 5383.8152828640. The cubic root of 28985467 is about 307.1803521765.

The spelling of 28985467 in words is "twenty-eight million, nine hundred eighty-five thousand, four hundred sixty-seven".