28914806 has 8 divisors (see below), whose sum is σ = 43563960. Its totient is φ = 14393488.

The previous prime is 28914803. The next prime is 28914811. The reversal of 28914806 is 60841982.

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 28914806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28914803) 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, 31391 + ... + 32298.

It is an arithmetic number, because the mean of its divisors is an integer number (5445495).

Almost surely, 2^28914806 is an apocalyptic number.

28914806 is a deficient number, since it is larger than the sum of its proper divisors (14649154).

28914806 is a wasteful number, since it uses less digits than its factorization.

28914806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63918.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 28914806 is about 5377.2489248686. The cubic root of 28914806 is about 306.9305335016.

The spelling of 28914806 in words is "twenty-eight million, nine hundred fourteen thousand, eight hundred six".