30984693 has 16 divisors (see below), whose sum is σ = 43862976. Its totient is φ = 19388160.

The previous prime is 30984689. The next prime is 30984697. The reversal of 30984693 is 39648903.

It is an interprime number because it is at equal distance from previous prime (30984689) and next prime (30984697).

It is not a de Polignac number, because 30984693 - 2² = 30984689 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30984697) 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, 27030 + ... + 28152.

It is an arithmetic number, because the mean of its divisors is an integer number (2741436).

Almost surely, 2^30984693 is an apocalyptic number.

It is an amenable number.

30984693 is a deficient number, since it is larger than the sum of its proper divisors (12878283).

30984693 is a wasteful number, since it uses less digits than its factorization.

30984693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 30984693 is about 5566.3895839224. The cubic root of 30984693 is about 314.0863523034.

The spelling of 30984693 in words is "thirty million, nine hundred eighty-four thousand, six hundred ninety-three".