1068690 has 48 divisors (see below), whose sum is σ = 2987712. Its totient is φ = 243936.

The previous prime is 1068677. The next prime is 1068701. The reversal of 1068690 is 968601.

It is a super-2 number, since 2×1068690² = 2284196632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1107 + ... + 1833.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2^1068690 is an apocalyptic number.

1068690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493856).

1068690 is an abundant number, since it is smaller than the sum of its proper divisors (1919022).

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

1068690 is a wasteful number, since it uses less digits than its factorization.

1068690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1068690 is about 1033.7746369495. The cubic root of 1068690 is about 102.2391543226.

The spelling of 1068690 in words is "one million, sixty-eight thousand, six hundred ninety".