268357397 has 8 divisors (see below), whose sum is σ = 334575552. Its totient is φ = 209109600.

The previous prime is 268357319. The next prime is 268357433. The reversal of 268357397 is 793753862.

It is a happy number.

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

It is not a de Polignac number, because 268357397 - 2²² = 264163093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268357697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742504 + ... + 1742657.

It is an arithmetic number, because the mean of its divisors is an integer number (41821944).

Almost surely, 2^268357397 is an apocalyptic number.

It is an amenable number.

268357397 is a deficient number, since it is larger than the sum of its proper divisors (66218155).

268357397 is a wasteful number, since it uses less digits than its factorization.

268357397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485179.

The product of its digits is 1905120, while the sum is 50.

The square root of 268357397 is about 16381.6176551646. The cubic root of 268357397 is about 645.0170433972.

The spelling of 268357397 in words is "two hundred sixty-eight million, three hundred fifty-seven thousand, three hundred ninety-seven".