30198664 has 32 divisors (see below), whose sum is σ = 60273720. Its totient is φ = 14135296.

The previous prime is 30198661. The next prime is 30198667. The reversal of 30198664 is 46689103.

It is an interprime number because it is at equal distance from previous prime (30198661) and next prime (30198667).

It can be written as a sum of positive squares in 4 ways, for example, as 24581764 + 5616900 = 4958^2 + 2370^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30198661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31212 + ... + 32164.

Almost surely, 2^30198664 is an apocalyptic number.

30198664 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30198664 is a deficient number, since it is larger than the sum of its proper divisors (30075056).

30198664 is a wasteful number, since it uses less digits than its factorization.

30198664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 30198664 is about 5495.3311092235. The cubic root of 30198664 is about 311.4076257351.

The spelling of 30198664 in words is "thirty million, one hundred ninety-eight thousand, six hundred sixty-four".