28262366 has 16 divisors (see below), whose sum is σ = 47377008. Its totient is φ = 12532800.

The previous prime is 28262363. The next prime is 28262371. The reversal of 28262366 is 66326282.

It is a happy number.

It is a super-3 number, since 3×28262366³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28262363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14765 + ... + 16568.

It is an arithmetic number, because the mean of its divisors is an integer number (2961063).

Almost surely, 2^28262366 is an apocalyptic number.

28262366 is a deficient number, since it is larger than the sum of its proper divisors (19114642).

28262366 is a wasteful number, since it uses less digits than its factorization.

28262366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31387.

The product of its digits is 41472, while the sum is 35.

The square root of 28262366 is about 5316.2360745174. The cubic root of 28262366 is about 304.6043997665.

The spelling of 28262366 in words is "twenty-eight million, two hundred sixty-two thousand, three hundred sixty-six".