28975914 has 32 divisors (see below), whose sum is σ = 70246080. Its totient is φ = 8780400.

The previous prime is 28975913. The next prime is 28975957. The reversal of 28975914 is 41957982.

It is a self number, because there is not a number n which added to its sum of digits gives 28975914.

It is not an unprimeable number, because it can be changed into a prime (28975913) 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, 23797 + ... + 24984.

It is an arithmetic number, because the mean of its divisors is an integer number (2195190).

Almost surely, 2^28975914 is an apocalyptic number.

28975914 is an abundant number, since it is smaller than the sum of its proper divisors (41270166).

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

28975914 is a wasteful number, since it uses less digits than its factorization.

28975914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48803 (or 48797 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 28975914 is about 5382.9280136372. The cubic root of 28975914 is about 307.1466017417.

The spelling of 28975914 in words is "twenty-eight million, nine hundred seventy-five thousand, nine hundred fourteen".