1068394826 has 8 divisors (see below), whose sum is σ = 1607713284. Its totient is φ = 532490400.

The previous prime is 1068394823. The next prime is 1068394837. The reversal of 1068394826 is 6284938601.

It can be written as a sum of positive squares in 2 ways, for example, as 979752601 + 88642225 = 31301^2 + 9415^2 .

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

It is a super-2 number, since 2×1068394826² = 2282935008447140552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068394823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852725 + ... + 853976.

Almost surely, 2^1068394826 is an apocalyptic number.

1068394826 is a deficient number, since it is larger than the sum of its proper divisors (539318458).

1068394826 is a wasteful number, since it uses less digits than its factorization.

1068394826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707016.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1068394826 is about 32686.3094582426. The cubic root of 1068394826 is about 1022.2974057957.

The spelling of 1068394826 in words is "one billion, sixty-eight million, three hundred ninety-four thousand, eight hundred twenty-six".