30018969 has 12 divisors (see below), whose sum is σ = 43430400. Its totient is φ = 19980504.

The previous prime is 30018931. The next prime is 30018971. The reversal of 30018969 is 96981003.

It is not a de Polignac number, because 30018969 - 2¹⁹ = 29494681 is a prime.

It is a super-2 number, since 2×30018969² = 1802276999645922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30018169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4152 + ... + 8790.

It is an arithmetic number, because the mean of its divisors is an integer number (3619200).

Almost surely, 2^30018969 is an apocalyptic number.

It is an amenable number.

30018969 is a deficient number, since it is larger than the sum of its proper divisors (13411431).

30018969 is a wasteful number, since it uses less digits than its factorization.

30018969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364 (or 5361 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 30018969 is about 5478.9569262771. The cubic root of 30018969 is about 310.7887269009.

The spelling of 30018969 in words is "thirty million, eighteen thousand, nine hundred sixty-nine".