268668398 has 8 divisors (see below), whose sum is σ = 424213320. Its totient is φ = 127263960.

The previous prime is 268668377. The next prime is 268668409. The reversal of 268668398 is 893866862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535073 + ... + 3535148.

It is an arithmetic number, because the mean of its divisors is an integer number (53026665).

Almost surely, 2^268668398 is an apocalyptic number.

268668398 is a deficient number, since it is larger than the sum of its proper divisors (155544922).

268668398 is a wasteful number, since it uses less digits than its factorization.

268668398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070242.

The product of its digits is 5971968, while the sum is 56.

The square root of 268668398 is about 16391.1072841343. The cubic root of 268668398 is about 645.2661185796.

The spelling of 268668398 in words is "two hundred sixty-eight million, six hundred sixty-eight thousand, three hundred ninety-eight".