30208806 has 12 divisors (see below), whose sum is σ = 65452452. Its totient is φ = 10069596.

The previous prime is 30208793. The next prime is 30208811. The reversal of 30208806 is 60880203.

It is a self number, because there is not a number n which added to its sum of digits gives 30208806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 839116 + ... + 839151.

It is an arithmetic number, because the mean of its divisors is an integer number (5454371).

Almost surely, 2^30208806 is an apocalyptic number.

30208806 is an abundant number, since it is smaller than the sum of its proper divisors (35243646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30208806 is a wasteful number, since it uses less digits than its factorization.

30208806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678275 (or 1678272 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 30208806 is about 5496.2538150999. The cubic root of 30208806 is about 311.4424831562.

The spelling of 30208806 in words is "thirty million, two hundred eight thousand, eight hundred six".