28603696 has 40 divisors (see below), whose sum is σ = 60763968. Its totient is φ = 12936000.

The previous prime is 28603637. The next prime is 28603711. The reversal of 28603696 is 69630682.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58011 + ... + 58501.

Almost surely, 2^28603696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28603696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30381984).

28603696 is an abundant number, since it is smaller than the sum of its proper divisors (32160272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28603696 is a wasteful number, since it uses less digits than its factorization.

28603696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 28603696 is about 5348.2423280925. The cubic root of 28603696 is about 305.8257512509.

It can be divided in two parts, 2860 and 3696, that added together give a palindrome (6556).

The spelling of 28603696 in words is "twenty-eight million, six hundred three thousand, six hundred ninety-six".