268961379 has 16 divisors (see below), whose sum is σ = 381272832. Its totient is φ = 168273248.

The previous prime is 268961377. The next prime is 268961393. The reversal of 268961379 is 973169862.

It is a cyclic number.

It is not a de Polignac number, because 268961379 - 2¹ = 268961377 is a prime.

It is a super-3 number, since 3×268961379³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (268961377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33117 + ... + 40430.

It is an arithmetic number, because the mean of its divisors is an integer number (23829552).

Almost surely, 2^268961379 is an apocalyptic number.

268961379 is a deficient number, since it is larger than the sum of its proper divisors (112311453).

268961379 is a wasteful number, since it uses less digits than its factorization.

268961379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73626.

The product of its digits is 979776, while the sum is 51.

The square root of 268961379 is about 16400.0420426290. The cubic root of 268961379 is about 645.5005860944.

The spelling of 268961379 in words is "two hundred sixty-eight million, nine hundred sixty-one thousand, three hundred seventy-nine".