28834272 has 96 divisors (see below), whose sum is σ = 87816960. Its totient is φ = 9187200.

The previous prime is 28834271. The next prime is 28834277. The reversal of 28834272 is 27243882.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28834271) 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, 19147 + ... + 20597.

It is an arithmetic number, because the mean of its divisors is an integer number (914760).

Almost surely, 2^28834272 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 28834272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43908480).

28834272 is an abundant number, since it is smaller than the sum of its proper divisors (58982688).

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

28834272 is a wasteful number, since it uses less digits than its factorization.

28834272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1479 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 28834272 is about 5369.7553016874. The cubic root of 28834272 is about 306.6453125227.

The spelling of 28834272 in words is "twenty-eight million, eight hundred thirty-four thousand, two hundred seventy-two".