28746166 has 8 divisors (see below), whose sum is σ = 44171064. Its totient is φ = 14022480.

The previous prime is 28746161. The next prime is 28746181. The reversal of 28746166 is 66164782.

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 (28746161) 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, 175200 + ... + 175363.

It is an arithmetic number, because the mean of its divisors is an integer number (5521383).

Almost surely, 2^28746166 is an apocalyptic number.

28746166 is a deficient number, since it is larger than the sum of its proper divisors (15424898).

28746166 is a wasteful number, since it uses less digits than its factorization.

28746166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350606.

The product of its digits is 96768, while the sum is 40.

The square root of 28746166 is about 5361.5451131180. The cubic root of 28746166 is about 306.3326653978.

The spelling of 28746166 in words is "twenty-eight million, seven hundred forty-six thousand, one hundred sixty-six".