1089357 has 4 divisors (see below), whose sum is σ = 1452480. Its totient is φ = 726236.

The previous prime is 1089313. The next prime is 1089359. The reversal of 1089357 is 7539801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1089357 - 2¹¹ = 1087309 is a prime.

It is a D-number.

1089357 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181557 + ... + 181562.

It is an arithmetic number, because the mean of its divisors is an integer number (363120).

2^1089357 is an apocalyptic number.

It is an amenable number.

1089357 is a deficient number, since it is larger than the sum of its proper divisors (363123).

1089357 is an equidigital number, since it uses as much as digits as its factorization.

1089357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363122.

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

The square root of 1089357 is about 1043.7226643127. The cubic root of 1089357 is about 102.8940060220.

The spelling of 1089357 in words is "one million, eighty-nine thousand, three hundred fifty-seven".