28820696 has 8 divisors (see below), whose sum is σ = 54038820. Its totient is φ = 14410344.

The previous prime is 28820683. The next prime is 28820699. The reversal of 28820696 is 69602882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28820699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1801286 + ... + 1801301.

Almost surely, 2^28820696 is an apocalyptic number.

It is an amenable number.

28820696 is a deficient number, since it is larger than the sum of its proper divisors (25218124).

28820696 is a wasteful number, since it uses less digits than its factorization.

28820696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602593 (or 3602589 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 28820696 is about 5368.4910356636. The cubic root of 28820696 is about 306.5971791731.

The spelling of 28820696 in words is "twenty-eight million, eight hundred twenty thousand, six hundred ninety-six".