1066845 has 16 divisors (see below), whose sum is σ = 1838592. Its totient is φ = 525120.

The previous prime is 1066817. The next prime is 1066847. The reversal of 1066845 is 5486601.

It is not a de Polignac number, because 1066845 - 2⁹ = 1066333 is a prime.

It is a super-2 number, since 2×1066845² = 2276316508050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066847) 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, 2541 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (114912).

2^1066845 is an apocalyptic number.

1066845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1066845 is a deficient number, since it is larger than the sum of its proper divisors (771747).

1066845 is a wasteful number, since it uses less digits than its factorization.

1066845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1066845 is about 1032.8818906342. The cubic root of 1066845 is about 102.1802847733.

The spelling of 1066845 in words is "one million, sixty-six thousand, eight hundred forty-five".