1085904093 has 8 divisors (see below), whose sum is σ = 1524076000. Its totient is φ = 685834128.

The previous prime is 1085904091. The next prime is 1085904133. The reversal of 1085904093 is 3904095801.

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

It is not a de Polignac number, because 1085904093 - 2¹ = 1085904091 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085904091) 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, 9525418 + ... + 9525531.

It is an arithmetic number, because the mean of its divisors is an integer number (190509500).

Almost surely, 2^1085904093 is an apocalyptic number.

It is an amenable number.

1085904093 is a deficient number, since it is larger than the sum of its proper divisors (438171907).

1085904093 is a wasteful number, since it uses less digits than its factorization.

1085904093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19050971.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1085904093 is about 32953.0589323662. The cubic root of 1085904093 is about 1027.8517745807.

Adding to 1085904093 its reverse (3904095801), we get a palindrome (4989999894).

The spelling of 1085904093 in words is "one billion, eighty-five million, nine hundred four thousand, ninety-three".