268493746 has 4 divisors (see below), whose sum is σ = 402740622. Its totient is φ = 134246872.

The previous prime is 268493741. The next prime is 268493779. The reversal of 268493746 is 647394862.

268493746 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., 266832225 + 1661521 = 16335^2 + 1289^2 .

It is a super-2 number, since 2×268493746² = 144177783282225032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268493746.

It is not an unprimeable number, because it can be changed into a prime (268493741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67123435 + ... + 67123438.

Almost surely, 2^268493746 is an apocalyptic number.

268493746 is a deficient number, since it is larger than the sum of its proper divisors (134246876).

268493746 is a wasteful number, since it uses less digits than its factorization.

268493746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134246875.

The product of its digits is 1741824, while the sum is 49.

The square root of 268493746 is about 16385.7787730703. The cubic root of 268493746 is about 645.1262665688.

The spelling of 268493746 in words is "two hundred sixty-eight million, four hundred ninety-three thousand, seven hundred forty-six".