28466256 has 200 divisors, whose sum is σ = 97250720. Its totient is φ = 7112448.

The previous prime is 28466239. The next prime is 28466267. The reversal of 28466256 is 65266482.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1498215 + ... + 1498233.

Almost surely, 2^28466256 is an apocalyptic number.

28466256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28466256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48625360).

28466256 is an abundant number, since it is smaller than the sum of its proper divisors (68784464).

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

28466256 is a wasteful number, since it uses less digits than its factorization.

28466256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 44 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 28466256 is about 5335.3777748160. The cubic root of 28466256 is about 305.3351364072.

The spelling of 28466256 in words is "twenty-eight million, four hundred sixty-six thousand, two hundred fifty-six".