1089938 has 8 divisors (see below), whose sum is σ = 1731132. Its totient is φ = 512896.

The previous prime is 1089919. The next prime is 1089941. The reversal of 1089938 is 8399801.

It can be written as a sum of positive squares in 2 ways, for example, as 822649 + 267289 = 907^2 + 517^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 15995 + ... + 16062.

2^1089938 is an apocalyptic number.

1089938 is a deficient number, since it is larger than the sum of its proper divisors (641194).

1089938 is a wasteful number, since it uses less digits than its factorization.

1089938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32076.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1089938 is about 1044.0009578540. Note that the first 3 decimals coincide. The cubic root of 1089938 is about 102.9122953409.

The spelling of 1089938 in words is "one million, eighty-nine thousand, nine hundred thirty-eight".