268693838 has 32 divisors (see below), whose sum is σ = 466836480. Its totient is φ = 113611680.

The previous prime is 268693781. The next prime is 268693849. The reversal of 268693838 is 838396862.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 268693838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438020 + ... + 438632.

It is an arithmetic number, because the mean of its divisors is an integer number (14588640).

Almost surely, 2^268693838 is an apocalyptic number.

268693838 is a deficient number, since it is larger than the sum of its proper divisors (198142642).

268693838 is a wasteful number, since it uses less digits than its factorization.

268693838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its digits is 2985984, while the sum is 53.

The square root of 268693838 is about 16391.8832963147. The cubic root of 268693838 is about 645.2864845178.

The spelling of 268693838 in words is "two hundred sixty-eight million, six hundred ninety-three thousand, eight hundred thirty-eight".