28563914 has 16 divisors (see below), whose sum is σ = 43502400. Its totient is φ = 14064960.

The previous prime is 28563877. The next prime is 28563917. The reversal of 28563914 is 41936582.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28563917) 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, 47387 + ... + 47985.

It is an arithmetic number, because the mean of its divisors is an integer number (2718900).

Almost surely, 2^28563914 is an apocalyptic number.

28563914 is a deficient number, since it is larger than the sum of its proper divisors (14938486).

28563914 is a wasteful number, since it uses less digits than its factorization.

28563914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its digits is 51840, while the sum is 38.

The square root of 28563914 is about 5344.5218682311. The cubic root of 28563914 is about 305.6839047250.

The spelling of 28563914 in words is "twenty-eight million, five hundred sixty-three thousand, nine hundred fourteen".