206934491 has 8 divisors (see below), whose sum is σ = 218460480. Its totient is φ = 195472008.

The previous prime is 206934479. The next prime is 206934493. The reversal of 206934491 is 194439602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206934491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206934493) 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, 9101 + ... + 22286.

It is an arithmetic number, because the mean of its divisors is an integer number (27307560).

Almost surely, 2^206934491 is an apocalyptic number.

206934491 is a deficient number, since it is larger than the sum of its proper divisors (11525989).

206934491 is a wasteful number, since it uses less digits than its factorization.

206934491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31753.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 206934491 is about 14385.2177946669. The cubic root of 206934491 is about 591.4857612459.

The spelling of 206934491 in words is "two hundred six million, nine hundred thirty-four thousand, four hundred ninety-one".