268739738 has 4 divisors (see below), whose sum is σ = 403109610. Its totient is φ = 134369868.

The previous prime is 268739719. The next prime is 268739759. The reversal of 268739738 is 837937862.

It is a happy number.

268739738 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, and also an emirpimes, since its reverse is a distinct semiprime: 837937862 = 2 ⋅418968931.

It can be written as a sum of positive squares in only one way, i.e., 267093649 + 1646089 = 16343^2 + 1283^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 268739738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67184933 + ... + 67184936.

Almost surely, 2^268739738 is an apocalyptic number.

268739738 is a deficient number, since it is larger than the sum of its proper divisors (134369872).

268739738 is a wasteful number, since it uses less digits than its factorization.

268739738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134369871.

The product of its digits is 3048192, while the sum is 53.

The square root of 268739738 is about 16393.2833197014. The cubic root of 268739738 is about 645.3232264139.

The spelling of 268739738 in words is "two hundred sixty-eight million, seven hundred thirty-nine thousand, seven hundred thirty-eight".