28346304 has 168 divisors, whose sum is σ = 91732608. Its totient is φ = 7687680.

The previous prime is 28346303. The next prime is 28346323. The reversal of 28346304 is 40364382.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28346303) 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, 216319 + ... + 216449.

Almost surely, 2^28346304 is an apocalyptic number.

28346304 is a gapful number since it is divisible by the number (24) 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 28346304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45866304).

28346304 is an abundant number, since it is smaller than the sum of its proper divisors (63386304).

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

28346304 is a wasteful number, since it uses less digits than its factorization.

28346304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 28346304 is about 5324.1247167962. The cubic root of 28346304 is about 304.9056556716.

The spelling of 28346304 in words is "twenty-eight million, three hundred forty-six thousand, three hundred four".