1068940 has 48 divisors (see below), whose sum is σ = 2469600. Its totient is φ = 387072.

The previous prime is 1068917. The next prime is 1068941. The reversal of 1068940 is 498601.

It is a super-2 number, since 2×1068940² = 2285265447200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1068899 and 1068908.

It is not an unprimeable number, because it can be changed into a prime (1068941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10972 + ... + 11068.

It is an arithmetic number, because the mean of its divisors is an integer number (51450).

2^1068940 is an apocalyptic number.

1068940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234800).

1068940 is an abundant number, since it is smaller than the sum of its proper divisors (1400660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1068940 is a wasteful number, since it uses less digits than its factorization.

1068940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1068940 is about 1033.8955459813. The cubic root of 1068940 is about 102.2471260124.

The spelling of 1068940 in words is "one million, sixty-eight thousand, nine hundred forty".