30693206 has 8 divisors (see below), whose sum is σ = 46376280. Its totient is φ = 15234448.

The previous prime is 30693203. The next prime is 30693241. The reversal of 30693206 is 60239603.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30693203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55736 + ... + 56283.

It is an arithmetic number, because the mean of its divisors is an integer number (5797035).

Almost surely, 2^30693206 is an apocalyptic number.

30693206 is a deficient number, since it is larger than the sum of its proper divisors (15683074).

30693206 is a wasteful number, since it uses less digits than its factorization.

30693206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112158.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 30693206 is about 5540.1449439523. The cubic root of 30693206 is about 313.0983301522.

The spelling of 30693206 in words is "thirty million, six hundred ninety-three thousand, two hundred six".