30641206 has 8 divisors (see below), whose sum is σ = 47444544. Its totient is φ = 14826360.

The previous prime is 30641203. The next prime is 30641213. The reversal of 30641206 is 60214603.

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 (30641201) 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, 247045 + ... + 247168.

It is an arithmetic number, because the mean of its divisors is an integer number (5930568).

Almost surely, 2^30641206 is an apocalyptic number.

30641206 is a deficient number, since it is larger than the sum of its proper divisors (16803338).

30641206 is a wasteful number, since it uses less digits than its factorization.

30641206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494246.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30641206 is about 5535.4499365454. The cubic root of 30641206 is about 312.9214146024.

Adding to 30641206 its reverse (60214603), we get a palindrome (90855809).

The spelling of 30641206 in words is "thirty million, six hundred forty-one thousand, two hundred six".