28955368 has 32 divisors (see below), whose sum is σ = 58917600. Its totient is φ = 13261248.

The previous prime is 28955363. The next prime is 28955393. The reversal of 28955368 is 86355982.

It is not an unprimeable number, because it can be changed into a prime (28955363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13455 + ... + 15457.

It is an arithmetic number, because the mean of its divisors is an integer number (1841175).

Almost surely, 2^28955368 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 28955368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29458800).

28955368 is an abundant number, since it is smaller than the sum of its proper divisors (29962232).

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

28955368 is a wasteful number, since it uses less digits than its factorization.

28955368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161 (or 2157 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 28955368 is about 5381.0192343087. The cubic root of 28955368 is about 307.0739882573.

The spelling of 28955368 in words is "twenty-eight million, nine hundred fifty-five thousand, three hundred sixty-eight".