28896810 has 16 divisors (see below), whose sum is σ = 69352416. Its totient is φ = 7705808.

The previous prime is 28896799. The next prime is 28896811. The reversal of 28896810 is 1869882.

It is a super-2 number, since 2×28896810² = 1670051256352200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28896811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481584 + ... + 481643.

It is an arithmetic number, because the mean of its divisors is an integer number (4334526).

Almost surely, 2^28896810 is an apocalyptic number.

28896810 is an abundant number, since it is smaller than the sum of its proper divisors (40455606).

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

28896810 is a wasteful number, since it uses less digits than its factorization.

28896810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963237.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 28896810 is about 5375.5753180474. The cubic root of 28896810 is about 306.8668444675.

The spelling of 28896810 in words is "twenty-eight million, eight hundred ninety-six thousand, eight hundred ten".