28636368 has 40 divisors (see below), whose sum is σ = 75786816. Its totient is φ = 9312000.

The previous prime is 28636351. The next prime is 28636379. The reversal of 28636368 is 86363682.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5308 + ... + 9243.

Almost surely, 2^28636368 is an apocalyptic number.

It is an amenable number.

28636368 is an abundant number, since it is smaller than the sum of its proper divisors (47150448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28636368 is a wasteful number, since it uses less digits than its factorization.

28636368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14603 (or 14597 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 28636368 is about 5351.2959178128. The cubic root of 28636368 is about 305.9421480620.

The spelling of 28636368 in words is "twenty-eight million, six hundred thirty-six thousand, three hundred sixty-eight".