30116686 has 8 divisors (see below), whose sum is σ = 46632384. Its totient is φ = 14572560.

The previous prime is 30116677. The next prime is 30116687. The reversal of 30116686 is 68661103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30116687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242815 + ... + 242938.

It is an arithmetic number, because the mean of its divisors is an integer number (5829048).

Almost surely, 2^30116686 is an apocalyptic number.

30116686 is a deficient number, since it is larger than the sum of its proper divisors (16515698).

30116686 is a wasteful number, since it uses less digits than its factorization.

30116686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485786.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 30116686 is about 5487.8671631154. The cubic root of 30116686 is about 311.1255855605.

Adding to 30116686 its reverse (68661103), we get a palindrome (98777789).

The spelling of 30116686 in words is "thirty million, one hundred sixteen thousand, six hundred eighty-six".