28786150 has 12 divisors (see below), whose sum is σ = 53542332. Its totient is φ = 11514440.

The previous prime is 28786129. The next prime is 28786171. The reversal of 28786150 is 5168782.

It is an interprime number because it is at equal distance from previous prime (28786129) and next prime (28786171).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287812 + ... + 287911.

It is an arithmetic number, because the mean of its divisors is an integer number (4461861).

Almost surely, 2^28786150 is an apocalyptic number.

28786150 is a deficient number, since it is larger than the sum of its proper divisors (24756182).

28786150 is a wasteful number, since it uses less digits than its factorization.

28786150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575735 (or 575730 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 28786150 is about 5365.2725932612. The cubic root of 28786150 is about 306.4746290341.

The spelling of 28786150 in words is "twenty-eight million, seven hundred eighty-six thousand, one hundred fifty".