206380764 has 48 divisors (see below), whose sum is σ = 552330240. Its totient is φ = 66573360.

The previous prime is 206380753. The next prime is 206380777. The reversal of 206380764 is 467083602.

206380764 is a `hidden beast` number, since 206 + 380 + 76 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27474 + ... + 34169.

It is an arithmetic number, because the mean of its divisors is an integer number (11506880).

Almost surely, 2^206380764 is an apocalyptic number.

It is an amenable number.

206380764 is an abundant number, since it is smaller than the sum of its proper divisors (345949476).

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

206380764 is a wasteful number, since it uses less digits than its factorization.

206380764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61687 (or 61679 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 206380764 is about 14365.9585130962. The cubic root of 206380764 is about 590.9577129681.

The spelling of 206380764 in words is "two hundred six million, three hundred eighty thousand, seven hundred sixty-four".