28634683 has 16 divisors (see below), whose sum is σ = 35864064. Its totient is φ = 22210560.

The previous prime is 28634659. The next prime is 28634693. The reversal of 28634683 is 38643682.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28634683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28634693) 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, 19066 + ... + 20512.

It is an arithmetic number, because the mean of its divisors is an integer number (2241504).

Almost surely, 2^28634683 is an apocalyptic number.

28634683 is a deficient number, since it is larger than the sum of its proper divisors (7229381).

28634683 is a wasteful number, since it uses less digits than its factorization.

28634683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722.

The product of its digits is 165888, while the sum is 40.

The square root of 28634683 is about 5351.1384769972. The cubic root of 28634683 is about 305.9361472703.

It can be divided in two parts, 286 and 34683, that added together give a square (34969 = 187²).

The spelling of 28634683 in words is "twenty-eight million, six hundred thirty-four thousand, six hundred eighty-three".