30868635 has 32 divisors (see below), whose sum is σ = 59420160. Its totient is φ = 13367808.

The previous prime is 30868627. The next prime is 30868657. The reversal of 30868635 is 53686803.

It is not a de Polignac number, because 30868635 - 2³ = 30868627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30868593 and 30868602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5742 + ... + 9731.

It is an arithmetic number, because the mean of its divisors is an integer number (1856880).

Almost surely, 2^30868635 is an apocalyptic number.

30868635 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30868635 is a deficient number, since it is larger than the sum of its proper divisors (28551525).

30868635 is a wasteful number, since it uses less digits than its factorization.

30868635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15507.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 30868635 is about 5555.9549134240. The cubic root of 30868635 is about 313.6937085193.

The spelling of 30868635 in words is "thirty million, eight hundred sixty-eight thousand, six hundred thirty-five".