268642984 has 16 divisors (see below), whose sum is σ = 510801120. Its totient is φ = 132429360.

The previous prime is 268642981. The next prime is 268643003. The reversal of 268642984 is 489246862.

It is not an unprimeable number, because it can be changed into a prime (268642981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235914 + ... + 237049.

It is an arithmetic number, because the mean of its divisors is an integer number (31925070).

Almost surely, 2^268642984 is an apocalyptic number.

It is an amenable number.

268642984 is a deficient number, since it is larger than the sum of its proper divisors (242158136).

268642984 is a wasteful number, since it uses less digits than its factorization.

268642984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473040 (or 473036 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 268642984 is about 16390.3320283635. The cubic root of 268642984 is about 645.2457721719.

The spelling of 268642984 in words is "two hundred sixty-eight million, six hundred forty-two thousand, nine hundred eighty-four".