1089935 has 32 divisors (see below), whose sum is σ = 1728000. Its totient is φ = 639360.

The previous prime is 1089919. The next prime is 1089941. The reversal of 1089935 is 5399801.

It is a Cunningham number, because it is equal to 1044²-1.

It is not a de Polignac number, because 1089935 - 2⁴ = 1089919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1089895 and 1089904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7241 + ... + 7389.

It is an arithmetic number, because the mean of its divisors is an integer number (54000).

2^1089935 is an apocalyptic number.

1089935 is a deficient number, since it is larger than the sum of its proper divisors (638065).

1089935 is a wasteful number, since it uses less digits than its factorization.

1089935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1089935 is about 1043.9995210727. Note that the first 3 decimals coincide. The cubic root of 1089935 is about 102.9122009205.

The spelling of 1089935 in words is "one million, eighty-nine thousand, nine hundred thirty-five".