30800018 has 8 divisors (see below), whose sum is σ = 46305648. Its totient is φ = 15364804.

The previous prime is 30800017. The next prime is 30800027. The reversal of 30800018 is 81000803.

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

It is a super-2 number, since 2×30800018² = 1897282217600648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30800017) 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, 16496 + ... + 18267.

It is an arithmetic number, because the mean of its divisors is an integer number (5788206).

Almost surely, 2^30800018 is an apocalyptic number.

30800018 is a deficient number, since it is larger than the sum of its proper divisors (15505630).

30800018 is a wasteful number, since it uses less digits than its factorization.

30800018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35208.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 30800018 is about 5549.7763918918. The cubic root of 30800018 is about 313.4611025120.

The spelling of 30800018 in words is "thirty million, eight hundred thousand, eighteen".