30038969 has 16 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 27842880.

The previous prime is 30038959. The next prime is 30038999. The reversal of 30038969 is 96983003.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30038969 is a prime.

It is a super-2 number, since 2×30038969² = 1804679317165922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30038959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77027 + ... + 77415.

It is an arithmetic number, because the mean of its divisors is an integer number (2021760).

Almost surely, 2^30038969 is an apocalyptic number.

It is an amenable number.

30038969 is a deficient number, since it is larger than the sum of its proper divisors (2309191).

30038969 is a wasteful number, since it uses less digits than its factorization.

30038969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 30038969 is about 5480.7817873001. The cubic root of 30038969 is about 310.8577320982.

The spelling of 30038969 in words is "thirty million, thirty-eight thousand, nine hundred sixty-nine".