30018966 has 16 divisors (see below), whose sum is σ = 60091824. Its totient is φ = 9997344.

The previous prime is 30018931. The next prime is 30018971. The reversal of 30018966 is 66981003.

It is a super-2 number, since 2×30018966² = 1802276639418312, which contains 22 as substring.

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, 11100 + ... + 13536.

It is an arithmetic number, because the mean of its divisors is an integer number (3755739).

Almost surely, 2^30018966 is an apocalyptic number.

30018966 is an abundant number, since it is smaller than the sum of its proper divisors (30072858).

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

30018966 is a wasteful number, since it uses less digits than its factorization.

30018966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 30018966 is about 5478.9566525024. The cubic root of 30018966 is about 310.7887165478.

Adding to 30018966 its reverse (66981003), we get a palindrome (96999969).

The spelling of 30018966 in words is "thirty million, eighteen thousand, nine hundred sixty-six".