206494692 has 12 divisors (see below), whose sum is σ = 481820976. Its totient is φ = 68831560.

The previous prime is 206494663. The next prime is 206494697. The reversal of 206494692 is 296494602.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is not an unprimeable number, because it can be changed into a prime (206494697) 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, 8603934 + ... + 8603957.

It is an arithmetic number, because the mean of its divisors is an integer number (40151748).

Almost surely, 2^206494692 is an apocalyptic number.

It is an amenable number.

206494692 is an abundant number, since it is smaller than the sum of its proper divisors (275326284).

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

206494692 is a wasteful number, since it uses less digits than its factorization.

206494692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17207898 (or 17207896 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 206494692 is about 14369.9231730723. The cubic root of 206494692 is about 591.0664347373.

The spelling of 206494692 in words is "two hundred six million, four hundred ninety-four thousand, six hundred ninety-two".