28922498 has 8 divisors (see below), whose sum is σ = 47327760. Its totient is φ = 13146580.

The previous prime is 28922497. The next prime is 28922501. The reversal of 28922498 is 89422982.

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

It is not an unprimeable number, because it can be changed into a prime (28922497) 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 3 ways as a sum of consecutive naturals, for example, 657308 + ... + 657351.

It is an arithmetic number, because the mean of its divisors is an integer number (5915970).

Almost surely, 2^28922498 is an apocalyptic number.

28922498 is a deficient number, since it is larger than the sum of its proper divisors (18405262).

28922498 is a wasteful number, since it uses less digits than its factorization.

28922498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314672.

The product of its digits is 165888, while the sum is 44.

The square root of 28922498 is about 5377.9641129334. The cubic root of 28922498 is about 306.9577479368.

The spelling of 28922498 in words is "twenty-eight million, nine hundred twenty-two thousand, four hundred ninety-eight".