1093645 has 8 divisors (see below), whose sum is σ = 1499904. Its totient is φ = 749904.

The previous prime is 1093639. The next prime is 1093657. The reversal of 1093645 is 5463901.

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

It is a cyclic number.

It is not a de Polignac number, because 1093645 - 2³ = 1093637 is a prime.

It is a super-3 number, since 3×1093645³ = 3924193101687933375, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15589 + ... + 15658.

It is an arithmetic number, because the mean of its divisors is an integer number (187488).

2^1093645 is an apocalyptic number.

It is an amenable number.

1093645 is a deficient number, since it is larger than the sum of its proper divisors (406259).

1093645 is an equidigital number, since it uses as much as digits as its factorization.

1093645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31259.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1093645 is about 1045.7748323612. The cubic root of 1093645 is about 103.0288353615.

The spelling of 1093645 in words is "one million, ninety-three thousand, six hundred forty-five".