206957934 has 48 divisors (see below), whose sum is σ = 455123760. Its totient is φ = 67962240.

The previous prime is 206957921. The next prime is 206957941. The reversal of 206957934 is 439759602.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 206957934.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452634 + ... + 453090.

It is an arithmetic number, because the mean of its divisors is an integer number (9481745).

Almost surely, 2^206957934 is an apocalyptic number.

206957934 is an abundant number, since it is smaller than the sum of its proper divisors (248165826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206957934 is a wasteful number, since it uses less digits than its factorization.

206957934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 206957934 is about 14386.0326011031. The cubic root of 206957934 is about 591.5080962967.

The spelling of 206957934 in words is "two hundred six million, nine hundred fifty-seven thousand, nine hundred thirty-four".