1090693 has 8 divisors (see below), whose sum is σ = 1127168. Its totient is φ = 1054944.

The previous prime is 1090681. The next prime is 1090697. The reversal of 1090693 is 3960901.

1090693 = 13⁴ + 14⁴ + ... + 22⁴.

It is a happy number.

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 1090693 - 2⁹ = 1090181 is a prime.

It is a super-2 number, since 2×1090693² = 2379222440498, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090697) 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, 4780 + ... + 5002.

It is an arithmetic number, because the mean of its divisors is an integer number (140896).

2^1090693 is an apocalyptic number.

It is an amenable number.

1090693 is a deficient number, since it is larger than the sum of its proper divisors (36475).

1090693 is an equidigital number, since it uses as much as digits as its factorization.

1090693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 1090693 is about 1044.3624849639. The cubic root of 1090693 is about 102.9360523036.

The spelling of 1090693 in words is "one million, ninety thousand, six hundred ninety-three".