28974086 has 8 divisors (see below), whose sum is σ = 46017720. Its totient is φ = 13634848.

The previous prime is 28974079. The next prime is 28974091. The reversal of 28974086 is 68047982.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426056 + ... + 426123.

It is an arithmetic number, because the mean of its divisors is an integer number (5752215).

Almost surely, 2^28974086 is an apocalyptic number.

28974086 is a deficient number, since it is larger than the sum of its proper divisors (17043634).

28974086 is a wasteful number, since it uses less digits than its factorization.

28974086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852198.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 28974086 is about 5382.7582148932. The cubic root of 28974086 is about 307.1401426323.

The spelling of 28974086 in words is "twenty-eight million, nine hundred seventy-four thousand, eighty-six".