268089646 has 32 divisors (see below), whose sum is σ = 447690240. Its totient is φ = 119380800.

The previous prime is 268089641. The next prime is 268089673. The reversal of 268089646 is 646980862.

It is a self number, because there is not a number n which added to its sum of digits gives 268089646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268089641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351906 + ... + 352666.

It is an arithmetic number, because the mean of its divisors is an integer number (13990320).

Almost surely, 2^268089646 is an apocalyptic number.

268089646 is a deficient number, since it is larger than the sum of its proper divisors (179600594).

268089646 is a wasteful number, since it uses less digits than its factorization.

268089646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 268089646 is about 16373.4433153201. The cubic root of 268089646 is about 644.8024521716.

The spelling of 268089646 in words is "two hundred sixty-eight million, eighty-nine thousand, six hundred forty-six".