28894766 has 8 divisors (see below), whose sum is σ = 43373280. Its totient is φ = 14437008.

The previous prime is 28894741. The next prime is 28894769. The reversal of 28894766 is 66749882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28894769) 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, 1046 + ... + 7673.

It is an arithmetic number, because the mean of its divisors is an integer number (5421660).

Almost surely, 2^28894766 is an apocalyptic number.

28894766 is a deficient number, since it is larger than the sum of its proper divisors (14478514).

28894766 is a wasteful number, since it uses less digits than its factorization.

28894766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10378.

The product of its digits is 1161216, while the sum is 50.

The square root of 28894766 is about 5375.3851954999. The cubic root of 28894766 is about 306.8596089443.

The spelling of 28894766 in words is "twenty-eight million, eight hundred ninety-four thousand, seven hundred sixty-six".