28653116 has 6 divisors (see below), whose sum is σ = 50142960. Its totient is φ = 14326556.

The previous prime is 28653113. The next prime is 28653151. The reversal of 28653116 is 61135682.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28653113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3581636 + ... + 3581643.

It is an arithmetic number, because the mean of its divisors is an integer number (8357160).

Almost surely, 2^28653116 is an apocalyptic number.

It is an amenable number.

28653116 is a deficient number, since it is larger than the sum of its proper divisors (21489844).

28653116 is a wasteful number, since it uses less digits than its factorization.

28653116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7163283 (or 7163281 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 28653116 is about 5352.8605436720. The cubic root of 28653116 is about 306.0017799318.

Adding to 28653116 its reverse (61135682), we get a palindrome (89788798).

The spelling of 28653116 in words is "twenty-eight million, six hundred fifty-three thousand, one hundred sixteen".