1090193 has 8 divisors (see below), whose sum is σ = 1243368. Its totient is φ = 946944.

The previous prime is 1090189. The next prime is 1090211. The reversal of 1090193 is 3910901.

It can be written as a sum of positive squares in 4 ways, for example, as 66049 + 1024144 = 257^2 + 1012^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1090193 - 2² = 1090189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090153) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2246 + ... + 2687.

It is an arithmetic number, because the mean of its divisors is an integer number (155421).

2^1090193 is an apocalyptic number.

1090193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1090193 is a deficient number, since it is larger than the sum of its proper divisors (153175).

1090193 is a wasteful number, since it uses less digits than its factorization.

1090193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 1090193 is about 1044.1230770364. The cubic root of 1090193 is about 102.9203204423.

The spelling of 1090193 in words is "one million, ninety thousand, one hundred ninety-three".