28934118 has 32 divisors (see below), whose sum is σ = 64512000. Its totient is φ = 9612648.

The previous prime is 28934107. The next prime is 28934123. The reversal of 28934118 is 81143982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19983 + ... + 21381.

It is an arithmetic number, because the mean of its divisors is an integer number (2016000).

Almost surely, 2^28934118 is an apocalyptic number.

28934118 is an abundant number, since it is smaller than the sum of its proper divisors (35577882).

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

28934118 is a wasteful number, since it uses less digits than its factorization.

28934118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793 (or 1787 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 28934118 is about 5379.0443389137. The cubic root of 28934118 is about 306.9988505582.

The spelling of 28934118 in words is "twenty-eight million, nine hundred thirty-four thousand, one hundred eighteen".