28466928 has 120 divisors (see below), whose sum is σ = 94089216. Its totient is φ = 7862400.

The previous prime is 28466899. The next prime is 28466929. The reversal of 28466928 is 82966482.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28466929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30793 + ... + 31703.

Almost surely, 2^28466928 is an apocalyptic number.

28466928 is a gapful number since it is divisible by the number (28) 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 28466928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47044608).

28466928 is an abundant number, since it is smaller than the sum of its proper divisors (65622288).

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

28466928 is a wasteful number, since it uses less digits than its factorization.

28466928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 954 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 28466928 is about 5335.4407503036. The cubic root of 28466928 is about 305.3375390601.

The spelling of 28466928 in words is "twenty-eight million, four hundred sixty-six thousand, nine hundred twenty-eight".