30806085 has 16 divisors (see below), whose sum is σ = 51433344. Its totient is φ = 15715392.

The previous prime is 30806071. The next prime is 30806101. The reversal of 30806085 is 58060803.

It is not a de Polignac number, because 30806085 - 2⁵ = 30806053 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44302 + ... + 44991.

It is an arithmetic number, because the mean of its divisors is an integer number (3214584).

Almost surely, 2^30806085 is an apocalyptic number.

It is an amenable number.

30806085 is a deficient number, since it is larger than the sum of its proper divisors (20627259).

30806085 is a wasteful number, since it uses less digits than its factorization.

30806085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89324.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 30806085 is about 5550.3229635761. The cubic root of 30806085 is about 313.4816830589.

Adding to 30806085 its reverse (58060803), we get a palindrome (88866888).

The spelling of 30806085 in words is "thirty million, eight hundred six thousand, eighty-five".