268874388 has 18 divisors (see below), whose sum is σ = 679654794. Its totient is φ = 89624784.

The previous prime is 268874327. The next prime is 268874401. The reversal of 268874388 is 883478862.

It can be written as a sum of positive squares in only one way, i.e., 239259024 + 29615364 = 15468^2 + 5442^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3734331 + ... + 3734402.

Almost surely, 2^268874388 is an apocalyptic number.

It is an amenable number.

268874388 is an abundant number, since it is smaller than the sum of its proper divisors (410780406).

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

268874388 is a wasteful number, since it uses less digits than its factorization.

268874388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7468743 (or 7468738 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 54.

The square root of 268874388 is about 16397.3896703103. The cubic root of 268874388 is about 645.4309865152.

The spelling of 268874388 in words is "two hundred sixty-eight million, eight hundred seventy-four thousand, three hundred eighty-eight".