268213635 has 24 divisors (see below), whose sum is σ = 465996960. Its totient is φ = 142710912.

The previous prime is 268213601. The next prime is 268213639. The reversal of 268213635 is 536312862.

It is a happy number.

268213635 is a `hidden beast` number, since 2 + 6 + 8 + 2 + 13 + 635 = 666.

It is not a de Polignac number, because 268213635 - 2⁶ = 268213571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268213635.

It is not an unprimeable number, because it can be changed into a prime (268213639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12967 + ... + 26543.

It is an arithmetic number, because the mean of its divisors is an integer number (19416540).

Almost surely, 2^268213635 is an apocalyptic number.

268213635 is a deficient number, since it is larger than the sum of its proper divisors (197783325).

268213635 is a wasteful number, since it uses less digits than its factorization.

268213635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14027 (or 14024 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 268213635 is about 16377.2291612470. The cubic root of 268213635 is about 644.9018419223.

The spelling of 268213635 in words is "two hundred sixty-eight million, two hundred thirteen thousand, six hundred thirty-five".