30828086 has 16 divisors (see below), whose sum is σ = 47309184. Its totient is φ = 15060864.

The previous prime is 30828059. The next prime is 30828113. The reversal of 30828086 is 68082803.

It is an interprime number because it is at equal distance from previous prime (30828059) and next prime (30828113).

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 7 ways as a sum of consecutive naturals, for example, 35291 + ... + 36153.

It is an arithmetic number, because the mean of its divisors is an integer number (2956824).

Almost surely, 2^30828086 is an apocalyptic number.

30828086 is a deficient number, since it is larger than the sum of its proper divisors (16481098).

30828086 is a wasteful number, since it uses less digits than its factorization.

30828086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 30828086 is about 5552.3045665741. The cubic root of 30828086 is about 313.5562924452.

The spelling of 30828086 in words is "thirty million, eight hundred twenty-eight thousand, eighty-six".