28792902 has 8 divisors (see below), whose sum is σ = 57585816. Its totient is φ = 9597632.

The previous prime is 28792891. The next prime is 28792903. The reversal of 28792902 is 20929782.

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

28792902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28792903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2399403 + ... + 2399414.

It is an arithmetic number, because the mean of its divisors is an integer number (7198227).

Almost surely, 2^28792902 is an apocalyptic number.

28792902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28792902 is a wasteful number, since it uses less digits than its factorization.

28792902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798822.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 28792902 is about 5365.9017881433. The cubic root of 28792902 is about 306.4985891090.

The spelling of 28792902 in words is "twenty-eight million, seven hundred ninety-two thousand, nine hundred two".