1090349 has 4 divisors (see below), whose sum is σ = 1174236. Its totient is φ = 1006464.

The previous prime is 1090333. The next prime is 1090373. The reversal of 1090349 is 9430901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9430901 = 797 ⋅11833.

It can be written as a sum of positive squares in 2 ways, for example, as 126025 + 964324 = 355^2 + 982^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090349 - 2⁴ = 1090333 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41924 + ... + 41949.

It is an arithmetic number, because the mean of its divisors is an integer number (293559).

2^1090349 is an apocalyptic number.

It is an amenable number.

1090349 is a deficient number, since it is larger than the sum of its proper divisors (83887).

1090349 is an equidigital number, since it uses as much as digits as its factorization.

1090349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83886.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1090349 is about 1044.1977782010. The cubic root of 1090349 is about 102.9252292992.

The spelling of 1090349 in words is "one million, ninety thousand, three hundred forty-nine".