28067484 has 48 divisors (see below), whose sum is σ = 69350400. Its totient is φ = 8810496.

The previous prime is 28067483. The next prime is 28067513. The reversal of 28067484 is 48476082.

It is a super-3 number, since 3×28067484³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28067483) 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, 58357 + ... + 58835.

It is an arithmetic number, because the mean of its divisors is an integer number (1444800).

Almost surely, 2^28067484 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 28067484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34675200).

28067484 is an abundant number, since it is smaller than the sum of its proper divisors (41282916).

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

28067484 is a wasteful number, since it uses less digits than its factorization.

28067484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 28067484 is about 5297.8754232239. The cubic root of 28067484 is about 303.9026552358.

The spelling of 28067484 in words is "twenty-eight million, sixty-seven thousand, four hundred eighty-four".