206946656 has 24 divisors (see below), whose sum is σ = 465630480. Its totient is φ = 88691328.

The previous prime is 206946653. The next prime is 206946671. The reversal of 206946656 is 656649602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206946653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461711 + ... + 462158.

It is an arithmetic number, because the mean of its divisors is an integer number (19401270).

Almost surely, 2^206946656 is an apocalyptic number.

It is an amenable number.

206946656 is an abundant number, since it is smaller than the sum of its proper divisors (258683824).

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

206946656 is an equidigital number, since it uses as much as digits as its factorization.

206946656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923886 (or 923878 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 206946656 is about 14385.6406183388. The cubic root of 206946656 is about 591.4973515215.

The spelling of 206946656 in words is "two hundred six million, nine hundred forty-six thousand, six hundred fifty-six".