1089573 has 8 divisors (see below), whose sum is σ = 1461600. Its totient is φ = 721968.

The previous prime is 1089563. The next prime is 1089611. The reversal of 1089573 is 3759801.

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

It is not a de Polignac number, because 1089573 - 2⁶ = 1089509 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (182700).

2^1089573 is an apocalyptic number.

It is an amenable number.

1089573 is a deficient number, since it is larger than the sum of its proper divisors (372027).

1089573 is a wasteful number, since it uses less digits than its factorization.

1089573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1089573 is about 1043.8261349478. The cubic root of 1089573 is about 102.9008062526.

The spelling of 1089573 in words is "one million, eighty-nine thousand, five hundred seventy-three".