268490434 has 4 divisors (see below), whose sum is σ = 402735654. Its totient is φ = 134245216.

The previous prime is 268490429. The next prime is 268490447. The reversal of 268490434 is 434094862.

268490434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 245016409 + 23474025 = 15653^2 + 4845^2 .

It is a super-2 number, since 2×268490434² = 144174226299016712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67122607 + ... + 67122610.

Almost surely, 2^268490434 is an apocalyptic number.

268490434 is a deficient number, since it is larger than the sum of its proper divisors (134245220).

268490434 is a wasteful number, since it uses less digits than its factorization.

268490434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134245219.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 268490434 is about 16385.6777095120. The cubic root of 268490434 is about 645.1236139099.

The spelling of 268490434 in words is "two hundred sixty-eight million, four hundred ninety thousand, four hundred thirty-four".