268404634 has 8 divisors (see below), whose sum is σ = 415594368. Its totient is φ = 129873180.

The previous prime is 268404611. The next prime is 268404649. The reversal of 268404634 is 436404862.

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

It is a junction number, because it is equal to n+sod(n) for n = 268404593 and 268404602.

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, 2164492 + ... + 2164615.

It is an arithmetic number, because the mean of its divisors is an integer number (51949296).

Almost surely, 2^268404634 is an apocalyptic number.

268404634 is a deficient number, since it is larger than the sum of its proper divisors (147189734).

268404634 is a wasteful number, since it uses less digits than its factorization.

268404634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329140.

The product of its (nonzero) digits is 110592, while the sum is 37.

The square root of 268404634 is about 16383.0593602050. The cubic root of 268404634 is about 645.0548870625.

The spelling of 268404634 in words is "two hundred sixty-eight million, four hundred four thousand, six hundred thirty-four".