30869393 has 4 divisors (see below), whose sum is σ = 31158000. Its totient is φ = 30580788.

The previous prime is 30869387. The next prime is 30869401. The reversal of 30869393 is 39396803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30869393 - 2¹⁸ = 30607249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30869393.

It is not an unprimeable number, because it can be changed into a prime (30869353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144143 + ... + 144356.

It is an arithmetic number, because the mean of its divisors is an integer number (7789500).

Almost surely, 2^30869393 is an apocalyptic number.

It is an amenable number.

30869393 is a deficient number, since it is larger than the sum of its proper divisors (288607).

30869393 is a wasteful number, since it uses less digits than its factorization.

30869393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288606.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 30869393 is about 5556.0231281016. The cubic root of 30869393 is about 313.6962761513.

The spelling of 30869393 in words is "thirty million, eight hundred sixty-nine thousand, three hundred ninety-three".