28446256 has 10 divisors (see below), whose sum is σ = 55114652. Its totient is φ = 14223120.

The previous prime is 28446247. The next prime is 28446259. The reversal of 28446256 is 65264482.

It is a super-3 number, since 3×28446256³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28446259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 888930 + ... + 888961.

Almost surely, 2^28446256 is an apocalyptic number.

It is an amenable number.

28446256 is a deficient number, since it is larger than the sum of its proper divisors (26668396).

28446256 is a wasteful number, since it uses less digits than its factorization.

28446256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777899 (or 1777893 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 28446256 is about 5333.5031639627. The cubic root of 28446256 is about 305.2636115645.

The spelling of 28446256 in words is "twenty-eight million, four hundred forty-six thousand, two hundred fifty-six".