28877306 has 16 divisors (see below), whose sum is σ = 44997120. Its totient is φ = 13884240.

The previous prime is 28877297. The next prime is 28877309. The reversal of 28877306 is 60377882.

It is not an unprimeable number, because it can be changed into a prime (28877309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8960 + ... + 11748.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 2^28877306 is an apocalyptic number.

28877306 is a deficient number, since it is larger than the sum of its proper divisors (16119814).

28877306 is a wasteful number, since it uses less digits than its factorization.

28877306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 28877306 is about 5373.7608804263. The cubic root of 28877306 is about 306.7977886560.

The spelling of 28877306 in words is "twenty-eight million, eight hundred seventy-seven thousand, three hundred six".