1068831938 has 8 divisors (see below), whose sum is σ = 1604075520. Its totient is φ = 534140100.

The previous prime is 1068831937. The next prime is 1068831943. The reversal of 1068831938 is 8391388601.

It is a happy number.

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

It is a super-2 number, since 2×1068831938² = 2284803423377671688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1068831892 and 1068831901.

It is not an unprimeable number, because it can be changed into a prime (1068831931) 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, 133058 + ... + 140861.

It is an arithmetic number, because the mean of its divisors is an integer number (200509440).

Almost surely, 2^1068831938 is an apocalyptic number.

1068831938 is a deficient number, since it is larger than the sum of its proper divisors (535243582).

1068831938 is a wasteful number, since it uses less digits than its factorization.

1068831938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275872.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 1068831938 is about 32692.9952436298. The cubic root of 1068831938 is about 1022.4368041796.

The spelling of 1068831938 in words is "one billion, sixty-eight million, eight hundred thirty-one thousand, nine hundred thirty-eight".