28810696 has 8 divisors (see below), whose sum is σ = 54020070. Its totient is φ = 14405344.

The previous prime is 28810693. The next prime is 28810709. The reversal of 28810696 is 69601882.

It can be written as a sum of positive squares in only one way, i.e., 22905796 + 5904900 = 4786^2 + 2430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (28810693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800661 + ... + 1800676.

Almost surely, 2^28810696 is an apocalyptic number.

It is an amenable number.

28810696 is a deficient number, since it is larger than the sum of its proper divisors (25209374).

28810696 is a wasteful number, since it uses less digits than its factorization.

28810696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601343 (or 3601339 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 28810696 is about 5367.5595944526. The cubic root of 28810696 is about 306.5617147686.

The spelling of 28810696 in words is "twenty-eight million, eight hundred ten thousand, six hundred ninety-six".