28083766 has 8 divisors (see below), whose sum is σ = 42719184. Its totient is φ = 13844040.

The previous prime is 28083761. The next prime is 28083791. The reversal of 28083766 is 66738082.

It is a happy number.

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

It is a pancake number, because a pancake can be divided into 28083766 parts by 7494 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28083761) 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, 98745 + ... + 99028.

It is an arithmetic number, because the mean of its divisors is an integer number (5339898).

Almost surely, 2^28083766 is an apocalyptic number.

28083766 is a deficient number, since it is larger than the sum of its proper divisors (14635418).

28083766 is a wasteful number, since it uses less digits than its factorization.

28083766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197846.

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

The square root of 28083766 is about 5299.4118541589. The cubic root of 28083766 is about 303.9614087093.

The spelling of 28083766 in words is "twenty-eight million, eighty-three thousand, seven hundred sixty-six".