1089386 has 8 divisors (see below), whose sum is σ = 1650564. Its totient is φ = 539200.

The previous prime is 1089383. The next prime is 1089397. The reversal of 1089386 is 6839801.

It can be written as a sum of positive squares in 2 ways, for example, as 765625 + 323761 = 875^2 + 569^2 .

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

It is a super-3 number, since 3×1089386³ = 3878525257036333368, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1089383) 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, 2495 + ... + 2898.

2^1089386 is an apocalyptic number.

1089386 is a deficient number, since it is larger than the sum of its proper divisors (561178).

1089386 is a wasteful number, since it uses less digits than its factorization.

1089386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496.

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

The square root of 1089386 is about 1043.7365567997. The cubic root of 1089386 is about 102.8949190681.

The spelling of 1089386 in words is "one million, eighty-nine thousand, three hundred eighty-six".