268346988 has 108 divisors (see below), whose sum is σ = 839577648. Its totient is φ = 70761600.

The previous prime is 268346983. The next prime is 268347011. The reversal of 268346988 is 889643862.

268346988 is a `hidden beast` number, since 26 + 83 + 469 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (268346983) 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 35 ways as a sum of consecutive naturals, for example, 39438 + ... + 45738.

Almost surely, 2^268346988 is an apocalyptic number.

268346988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268346988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419788824).

268346988 is an abundant number, since it is smaller than the sum of its proper divisors (571230660).

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

268346988 is a wasteful number, since it uses less digits than its factorization.

268346988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344 (or 6326 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 268346988 is about 16381.2999484168. The cubic root of 268346988 is about 645.0087036864.

The spelling of 268346988 in words is "two hundred sixty-eight million, three hundred forty-six thousand, nine hundred eighty-eight".