28753696 has 12 divisors (see below), whose sum is σ = 56608902. Its totient is φ = 14376832.

The previous prime is 28753693. The next prime is 28753717. The reversal of 28753696 is 69635782.

It can be written as a sum of positive squares in only one way, i.e., 19536400 + 9217296 = 4420^2 + 3036^2 .

It is not an unprimeable number, because it can be changed into a prime (28753691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449245 + ... + 449308.

Almost surely, 2^28753696 is an apocalyptic number.

It is an amenable number.

28753696 is a deficient number, since it is larger than the sum of its proper divisors (27855206).

28753696 is an equidigital number, since it uses as much as digits as its factorization.

28753696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898563 (or 898555 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 28753696 is about 5362.2472900828. The cubic root of 28753696 is about 306.3594108031.

The spelling of 28753696 in words is "twenty-eight million, seven hundred fifty-three thousand, six hundred ninety-six".