268891748 has 12 divisors (see below), whose sum is σ = 470910972. Its totient is φ = 134345760.

The previous prime is 268891729. The next prime is 268891751. The reversal of 268891748 is 847198862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 135443044 + 133448704 = 11638^2 + 11552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 268891748.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18815 + ... + 29862.

It is an arithmetic number, because the mean of its divisors is an integer number (39242581).

Almost surely, 2^268891748 is an apocalyptic number.

It is an amenable number.

268891748 is a deficient number, since it is larger than the sum of its proper divisors (202019224).

268891748 is a wasteful number, since it uses less digits than its factorization.

268891748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50062 (or 50060 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 53.

The square root of 268891748 is about 16397.9190143140. The cubic root of 268891748 is about 645.4448770669. Note that the first 3 decimals are identical.

The spelling of 268891748 in words is "two hundred sixty-eight million, eight hundred ninety-one thousand, seven hundred forty-eight".