28528802 has 8 divisors (see below), whose sum is σ = 42825216. Its totient is φ = 14253732.

The previous prime is 28528793. The next prime is 28528807. The reversal of 28528802 is 20882582.

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 (28528807) 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, 1418 + ... + 7685.

It is an arithmetic number, because the mean of its divisors is an integer number (5353152).

Almost surely, 2^28528802 is an apocalyptic number.

28528802 is a deficient number, since it is larger than the sum of its proper divisors (14296414).

28528802 is a wasteful number, since it uses less digits than its factorization.

28528802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10672.

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 28528802 is about 5341.2359992796. The cubic root of 28528802 is about 305.5586000701.

The spelling of 28528802 in words is "twenty-eight million, five hundred twenty-eight thousand, eight hundred two".