28636492 has 24 divisors (see below), whose sum is σ = 50916096. Its totient is φ = 14091408.

The previous prime is 28636481. The next prime is 28636493. The reversal of 28636492 is 29463682.

It is not an unprimeable number, because it can be changed into a prime (28636493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108753 + ... + 109015.

It is an arithmetic number, because the mean of its divisors is an integer number (2121504).

Almost surely, 2^28636492 is an apocalyptic number.

It is an amenable number.

28636492 is a deficient number, since it is larger than the sum of its proper divisors (22279604).

28636492 is a wasteful number, since it uses less digits than its factorization.

28636492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 28636492 is about 5351.3075037789. The cubic root of 28636492 is about 305.9425896539.

The spelling of 28636492 in words is "twenty-eight million, six hundred thirty-six thousand, four hundred ninety-two".