28492933 has 8 divisors (see below), whose sum is σ = 32711168. Its totient is φ = 24311664.

The previous prime is 28492921. The next prime is 28492943. The reversal of 28492933 is 33929482.

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-28492933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28492903) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7566 + ... + 10687.

It is an arithmetic number, because the mean of its divisors is an integer number (4088896).

Almost surely, 2^28492933 is an apocalyptic number.

It is an amenable number.

28492933 is a deficient number, since it is larger than the sum of its proper divisors (4218235).

28492933 is a wasteful number, since it uses less digits than its factorization.

28492933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18483.

The product of its digits is 93312, while the sum is 40.

The square root of 28492933 is about 5337.8771997864. The cubic root of 28492933 is about 305.4304876923.

The spelling of 28492933 in words is "twenty-eight million, four hundred ninety-two thousand, nine hundred thirty-three".