28600863 has 16 divisors (see below), whose sum is σ = 39184896. Its totient is φ = 18547200.

The previous prime is 28600861. The next prime is 28600883. The reversal of 28600863 is 36800682.

It is not a de Polignac number, because 28600863 - 2¹ = 28600861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28600861) 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, 26688 + ... + 27738.

It is an arithmetic number, because the mean of its divisors is an integer number (2449056).

Almost surely, 2^28600863 is an apocalyptic number.

28600863 is a deficient number, since it is larger than the sum of its proper divisors (10584033).

28600863 is a wasteful number, since it uses less digits than its factorization.

28600863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 28600863 is about 5347.9774681650. The cubic root of 28600863 is about 305.8156542696.

The spelling of 28600863 in words is "twenty-eight million, six hundred thousand, eight hundred sixty-three".