28963056 has 40 divisors (see below), whose sum is σ = 76651344. Its totient is φ = 9418240.

The previous prime is 28963031. The next prime is 28963073. The reversal of 28963056 is 65036982.

It is a super-2 number, since 2×28963056² = 1677717225718272, which contains 22 as substring.

It is a congruent number.

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, 5391 + ... + 9326.

Almost surely, 2^28963056 is an apocalyptic number.

It is an amenable number.

28963056 is an abundant number, since it is smaller than the sum of its proper divisors (47688288).

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

28963056 is a wasteful number, since it uses less digits than its factorization.

28963056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14769 (or 14763 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 28963056 is about 5381.7335497031. The cubic root of 28963056 is about 307.1011631369.

The spelling of 28963056 in words is "twenty-eight million, nine hundred sixty-three thousand, fifty-six".