268399354 has 4 divisors (see below), whose sum is σ = 402599034. Its totient is φ = 134199676.

The previous prime is 268399337. The next prime is 268399361. The reversal of 268399354 is 453993862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 176757025 + 91642329 = 13295^2 + 9573^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 268399298 and 268399307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67099837 + ... + 67099840.

Almost surely, 2^268399354 is an apocalyptic number.

268399354 is a deficient number, since it is larger than the sum of its proper divisors (134199680).

268399354 is a wasteful number, since it uses less digits than its factorization.

268399354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134199679.

The product of its digits is 1399680, while the sum is 49.

The square root of 268399354 is about 16382.8982173485. The cubic root of 268399354 is about 645.0506572396.

The spelling of 268399354 in words is "two hundred sixty-eight million, three hundred ninety-nine thousand, three hundred fifty-four".