28934016 has 64 divisors (see below), whose sum is σ = 77520000. Its totient is φ = 9561600.

The previous prime is 28934011. The next prime is 28934021. The reversal of 28934016 is 61043982.

It is an interprime number because it is at equal distance from previous prime (28934011) and next prime (28934021).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28934011) 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, 57735 + ... + 58233.

It is an arithmetic number, because the mean of its divisors is an integer number (1211250).

Almost surely, 2^28934016 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 28934016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38760000).

28934016 is an abundant number, since it is smaller than the sum of its proper divisors (48585984).

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

28934016 is a wasteful number, since it uses less digits than its factorization.

28934016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 28934016 is about 5379.0348576673. The cubic root of 28934016 is about 306.9984898086.

Adding to 28934016 its reverse (61043982), we get a palindrome (89977998).

The spelling of 28934016 in words is "twenty-eight million, nine hundred thirty-four thousand, sixteen".