28786002 has 16 divisors (see below), whose sum is σ = 65796672. Its totient is φ = 8224560.

The previous prime is 28786001. The next prime is 28786003. The reversal of 28786002 is 20068782.

It is an interprime number because it is at equal distance from previous prime (28786001) and next prime (28786003).

It is a super-2 number, since 2×28786002² = 1657267822288008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28786001) 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, 342649 + ... + 342732.

It is an arithmetic number, because the mean of its divisors is an integer number (4112292).

Almost surely, 2^28786002 is an apocalyptic number.

28786002 is an abundant number, since it is smaller than the sum of its proper divisors (37010670).

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

28786002 is a wasteful number, since it uses less digits than its factorization.

28786002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685393.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 28786002 is about 5365.2588008408. The cubic root of 28786002 is about 306.4741038010.

The spelling of 28786002 in words is "twenty-eight million, seven hundred eighty-six thousand, two".