28367832 has 64 divisors (see below), whose sum is σ = 78382080. Its totient is φ = 8509952.

The previous prime is 28367827. The next prime is 28367839. The reversal of 28367832 is 23876382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28367839) 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, 7873 + ... + 10895.

It is an arithmetic number, because the mean of its divisors is an integer number (1224720).

Almost surely, 2^28367832 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 28367832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39191040).

28367832 is an abundant number, since it is smaller than the sum of its proper divisors (50014248).

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

28367832 is a wasteful number, since it uses less digits than its factorization.

28367832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072 (or 3068 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 28367832 is about 5326.1460738511. The cubic root of 28367832 is about 304.9828244382.

The spelling of 28367832 in words is "twenty-eight million, three hundred sixty-seven thousand, eight hundred thirty-two".