268605398 has 8 divisors (see below), whose sum is σ = 408427608. Its totient is φ = 132462864.

The previous prime is 268605383. The next prime is 268605419. The reversal of 268605398 is 893506862.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919736 + ... + 920027.

It is an arithmetic number, because the mean of its divisors is an integer number (51053451).

Almost surely, 2^268605398 is an apocalyptic number.

268605398 is a deficient number, since it is larger than the sum of its proper divisors (139822210).

268605398 is a wasteful number, since it uses less digits than its factorization.

268605398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839838.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 268605398 is about 16389.1853976944. The cubic root of 268605398 is about 645.2156785282.

The spelling of 268605398 in words is "two hundred sixty-eight million, six hundred five thousand, three hundred ninety-eight".