28886746 has 8 divisors (see below), whose sum is σ = 49520160. Its totient is φ = 12380028.

The previous prime is 28886743. The next prime is 28886789. The reversal of 28886746 is 64768882.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28886746.

It is not an unprimeable number, because it can be changed into a prime (28886743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031656 + ... + 1031683.

It is an arithmetic number, because the mean of its divisors is an integer number (6190020).

Almost surely, 2^28886746 is an apocalyptic number.

28886746 is a deficient number, since it is larger than the sum of its proper divisors (20633414).

28886746 is a wasteful number, since it uses less digits than its factorization.

28886746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063348.

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

The square root of 28886746 is about 5374.6391506779. The cubic root of 28886746 is about 306.8312157768.

The spelling of 28886746 in words is "twenty-eight million, eight hundred eighty-six thousand, seven hundred forty-six".