28896956 has 12 divisors (see below), whose sum is σ = 55167000. Its totient is φ = 13134960.

The previous prime is 28896953. The next prime is 28896971. The reversal of 28896956 is 65969882.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28896898 and 28896907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28896953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328331 + ... + 328418.

It is an arithmetic number, because the mean of its divisors is an integer number (4597250).

Almost surely, 2^28896956 is an apocalyptic number.

It is an amenable number.

28896956 is a deficient number, since it is larger than the sum of its proper divisors (26270044).

28896956 is a wasteful number, since it uses less digits than its factorization.

28896956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656764 (or 656762 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 28896956 is about 5375.5888979720. The cubic root of 28896956 is about 306.8673612776.

The spelling of 28896956 in words is "twenty-eight million, eight hundred ninety-six thousand, nine hundred fifty-six".