206400760 has 32 divisors (see below), whose sum is σ = 467532000. Its totient is φ = 82003840.

The previous prime is 206400751. The next prime is 206400769. The reversal of 206400760 is 67004602.

It is an interprime number because it is at equal distance from previous prime (206400751) and next prime (206400769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206400769) 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, 11356 + ... + 23275.

It is an arithmetic number, because the mean of its divisors is an integer number (14610375).

Almost surely, 2^206400760 is an apocalyptic number.

206400760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206400760 is an abundant number, since it is smaller than the sum of its proper divisors (261131240).

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

206400760 is a wasteful number, since it uses less digits than its factorization.

206400760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34791 (or 34787 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 206400760 is about 14366.6544470172. The cubic root of 206400760 is about 590.9767980943.

The spelling of 206400760 in words is "two hundred six million, four hundred thousand, seven hundred sixty".