28426896 has 80 divisors (see below), whose sum is σ = 85173120. Its totient is φ = 9060480.

The previous prime is 28426889. The next prime is 28426897. The reversal of 28426896 is 69862482.

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

It is not an unprimeable number, because it can be changed into a prime (28426897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8506 + ... + 11366.

It is an arithmetic number, because the mean of its divisors is an integer number (1064664).

Almost surely, 2^28426896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28426896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42586560).

28426896 is an abundant number, since it is smaller than the sum of its proper divisors (56746224).

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

28426896 is a wasteful number, since it uses less digits than its factorization.

28426896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901 (or 2889 counting only the distinct ones).

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

The square root of 28426896 is about 5331.6879128471. The cubic root of 28426896 is about 305.1943435766.

The spelling of 28426896 in words is "twenty-eight million, four hundred twenty-six thousand, eight hundred ninety-six".