28468786 has 8 divisors (see below), whose sum is σ = 43183260. Its totient is φ = 14074368.

The previous prime is 28468763. The next prime is 28468813. The reversal of 28468786 is 68786482.

It can be written as a sum of positive squares in 2 ways, for example, as 28462225 + 6561 = 5335^2 + 81^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79791 + ... + 80146.

Almost surely, 2^28468786 is an apocalyptic number.

28468786 is a deficient number, since it is larger than the sum of its proper divisors (14714474).

28468786 is a wasteful number, since it uses less digits than its factorization.

28468786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160028.

The product of its digits is 1032192, while the sum is 49.

The square root of 28468786 is about 5335.6148661612. The cubic root of 28468786 is about 305.3441819125.

The spelling of 28468786 in words is "twenty-eight million, four hundred sixty-eight thousand, seven hundred eighty-six".