28286010 has 80 divisors (see below), whose sum is σ = 77780736. Its totient is φ = 7372512.

The previous prime is 28285997. The next prime is 28286017. The reversal of 28286010 is 1068282.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (28286017) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37699 + ... + 38441.

Almost surely, 2^28286010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28286010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38890368).

28286010 is an abundant number, since it is smaller than the sum of its proper divisors (49494726).

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

28286010 is a wasteful number, since it uses less digits than its factorization.

28286010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 28286010 is about 5318.4593633871. The cubic root of 28286010 is about 304.6893190424.

The spelling of 28286010 in words is "twenty-eight million, two hundred eighty-six thousand, ten".