28934496 has 108 divisors (see below), whose sum is σ = 86751756. Its totient is φ = 9486720.

The previous prime is 28934491. The next prime is 28934497. The reversal of 28934496 is 69443982.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (108).

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 (28934491) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 474306 + ... + 474366.

It is an arithmetic number, because the mean of its divisors is an integer number (803257).

Almost surely, 2^28934496 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 28934496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43375878).

28934496 is an abundant number, since it is smaller than the sum of its proper divisors (57817260).

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

28934496 is an frugal number, since it uses more digits than its factorization.

28934496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 66 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 28934496 is about 5379.0794751519. The cubic root of 28934496 is about 307.0001874466. Note that the first 3 decimals are identical.

The spelling of 28934496 in words is "twenty-eight million, nine hundred thirty-four thousand, four hundred ninety-six".