28933498 has 8 divisors (see below), whose sum is σ = 47345760. Its totient is φ = 13151580.

The previous prime is 28933483. The next prime is 28933501. The reversal of 28933498 is 89433982.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657558 + ... + 657601.

It is an arithmetic number, because the mean of its divisors is an integer number (5918220).

Almost surely, 2^28933498 is an apocalyptic number.

28933498 is a deficient number, since it is larger than the sum of its proper divisors (18412262).

28933498 is a wasteful number, since it uses less digits than its factorization.

28933498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315172.

The product of its digits is 373248, while the sum is 46.

The square root of 28933498 is about 5378.9867075500. The cubic root of 28933498 is about 306.9966577531.

The spelling of 28933498 in words is "twenty-eight million, nine hundred thirty-three thousand, four hundred ninety-eight".