28299000 has 64 divisors (see below), whose sum is σ = 88302240. Its totient is φ = 7545600.

The previous prime is 28298989. The next prime is 28299017. The reversal of 28299000 is 99282.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1717 + ... + 7716.

Almost surely, 2^28299000 is an apocalyptic number.

28299000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28299000 is an abundant number, since it is smaller than the sum of its proper divisors (60003240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28299000 is a wasteful number, since it uses less digits than its factorization.

28299000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9457 (or 9443 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 28299000 is about 5319.6804415303. The cubic root of 28299000 is about 304.7359535039.

The spelling of 28299000 in words is "twenty-eight million, two hundred ninety-nine thousand".