30969249 has 8 divisors (see below), whose sum is σ = 41531712. Its totient is φ = 20526480.

The previous prime is 30969233. The next prime is 30969283. The reversal of 30969249 is 94296903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30969249 - 2⁴ = 30969233 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 30969249.

It is not an unprimeable number, because it can be changed into a prime (30969049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29317 + ... + 30354.

It is an arithmetic number, because the mean of its divisors is an integer number (5191464).

Almost surely, 2^30969249 is an apocalyptic number.

It is an amenable number.

30969249 is a deficient number, since it is larger than the sum of its proper divisors (10562463).

30969249 is a wasteful number, since it uses less digits than its factorization.

30969249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59847.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 30969249 is about 5565.0021563338. The cubic root of 30969249 is about 314.0341592654.

The spelling of 30969249 in words is "thirty million, nine hundred sixty-nine thousand, two hundred forty-nine".