28714563 has 12 divisors (see below), whose sum is σ = 41551848. Its totient is φ = 19108320.

The previous prime is 28714559. The next prime is 28714571. The reversal of 28714563 is 36541782.

28714563 is a `hidden beast` number, since 2 + 87 + 14 + 563 = 666.

It is not a de Polignac number, because 28714563 - 2² = 28714559 is a prime.

It is a super-2 number, since 2×28714563² = 1649052256561938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28714163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2968 + ... + 8138.

It is an arithmetic number, because the mean of its divisors is an integer number (3462654).

Almost surely, 2^28714563 is an apocalyptic number.

28714563 is a deficient number, since it is larger than the sum of its proper divisors (12837285).

28714563 is a wasteful number, since it uses less digits than its factorization.

28714563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794 (or 5791 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 28714563 is about 5358.5971111850. The cubic root of 28714563 is about 306.2203654235.

The spelling of 28714563 in words is "twenty-eight million, seven hundred fourteen thousand, five hundred sixty-three".