28336776 has 32 divisors (see below), whose sum is σ = 76292160. Its totient is φ = 8718912.

The previous prime is 28336753. The next prime is 28336787. The reversal of 28336776 is 67763382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45100 + ... + 45723.

It is an arithmetic number, because the mean of its divisors is an integer number (2384130).

Almost surely, 2^28336776 is an apocalyptic number.

28336776 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28336776 is an abundant number, since it is smaller than the sum of its proper divisors (47955384).

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

28336776 is a wasteful number, since it uses less digits than its factorization.

28336776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90845 (or 90841 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 28336776 is about 5323.2298466251. The cubic root of 28336776 is about 304.8714893520.

The spelling of 28336776 in words is "twenty-eight million, three hundred thirty-six thousand, seven hundred seventy-six".