28653496 has 16 divisors (see below), whose sum is σ = 54739800. Its totient is φ = 14056224.

The previous prime is 28653491. The next prime is 28653497. The reversal of 28653496 is 69435682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28653491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33366 + ... + 34213.

Almost surely, 2^28653496 is an apocalyptic number.

It is an amenable number.

28653496 is a deficient number, since it is larger than the sum of its proper divisors (26086304).

28653496 is a wasteful number, since it uses less digits than its factorization.

28653496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67638 (or 67634 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 28653496 is about 5352.8960385944. The cubic root of 28653496 is about 306.0031326662.

The spelling of 28653496 in words is "twenty-eight million, six hundred fifty-three thousand, four hundred ninety-six".