28266602 has 32 divisors (see below), whose sum is σ = 52550400. Its totient is φ = 11170224.

The previous prime is 28266593. The next prime is 28266629. The reversal of 28266602 is 20666282.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30299 + ... + 31217.

It is an arithmetic number, because the mean of its divisors is an integer number (1642200).

Almost surely, 2^28266602 is an apocalyptic number.

28266602 is a deficient number, since it is larger than the sum of its proper divisors (24283798).

28266602 is an equidigital number, since it uses as much as digits as its factorization.

28266602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 28266602 is about 5316.6344617624. The cubic root of 28266602 is about 304.6196171735.

The spelling of 28266602 in words is "twenty-eight million, two hundred sixty-six thousand, six hundred two".