268961970 has 16 divisors (see below), whose sum is σ = 645508800. Its totient is φ = 71723184.

The previous prime is 268961897. The next prime is 268961971. The reversal of 268961970 is 79169862.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (268961971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4482670 + ... + 4482729.

It is an arithmetic number, because the mean of its divisors is an integer number (40344300).

Almost surely, 2^268961970 is an apocalyptic number.

268961970 is an abundant number, since it is smaller than the sum of its proper divisors (376546830).

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

268961970 is a wasteful number, since it uses less digits than its factorization.

268961970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8965409.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 268961970 is about 16400.0600608656. The cubic root of 268961970 is about 645.5010588892.

The spelling of 268961970 in words is "two hundred sixty-eight million, nine hundred sixty-one thousand, nine hundred seventy".