1068389 has 16 divisors (see below), whose sum is σ = 1334400. Its totient is φ = 834624.

The previous prime is 1068383. The next prime is 1068407. The reversal of 1068389 is 9838601.

It is not a de Polignac number, because 1068389 - 2¹⁶ = 1002853 is a prime.

It is a super-2 number, since 2×1068389² = 2282910110642, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068383) 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, 3719 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (83400).

2^1068389 is an apocalyptic number.

1068389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1068389 is a deficient number, since it is larger than the sum of its proper divisors (266011).

1068389 is a wasteful number, since it uses less digits than its factorization.

1068389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1068389 is about 1033.6290437096. The cubic root of 1068389 is about 102.2295547583.

The spelling of 1068389 in words is "one million, sixty-eight thousand, three hundred eighty-nine".