28352860 has 24 divisors (see below), whose sum is σ = 60102000. Its totient is φ = 11234304.

The previous prime is 28352851. The next prime is 28352881. The reversal of 28352860 is 6825382.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4485 + ... + 8764.

It is an arithmetic number, because the mean of its divisors is an integer number (2504250).

Almost surely, 2^28352860 is an apocalyptic number.

28352860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28352860 is an abundant number, since it is smaller than the sum of its proper divisors (31749140).

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

28352860 is a wasteful number, since it uses less digits than its factorization.

28352860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13365 (or 13363 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 28352860 is about 5324.7403692575. The cubic root of 28352860 is about 304.9291602926.

The spelling of 28352860 in words is "twenty-eight million, three hundred fifty-two thousand, eight hundred sixty".