28501696 has 14 divisors (see below), whose sum is σ = 56558180. Its totient is φ = 14250816.

The previous prime is 28501667. The next prime is 28501709. The reversal of 28501696 is 69610582.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222606 + ... + 222733.

It is an arithmetic number, because the mean of its divisors is an integer number (4039870).

Almost surely, 2^28501696 is an apocalyptic number.

It is an amenable number.

28501696 is a deficient number, since it is larger than the sum of its proper divisors (28056484).

28501696 is an equidigital number, since it uses as much as digits as its factorization.

28501696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445351 (or 445341 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 28501696 is about 5338.6979686062. The cubic root of 28501696 is about 305.4617961929.

The spelling of 28501696 in words is "twenty-eight million, five hundred one thousand, six hundred ninety-six".