1090417 has 4 divisors (see below), whose sum is σ = 1093860. Its totient is φ = 1086976.

The previous prime is 1090409. The next prime is 1090421. The reversal of 1090417 is 7140901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 758641 + 331776 = 871^2 + 576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090417 - 2³ = 1090409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090457) 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, 1192 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (273465).

2^1090417 is an apocalyptic number.

It is an amenable number.

1090417 is a deficient number, since it is larger than the sum of its proper divisors (3443).

1090417 is an equidigital number, since it uses as much as digits as its factorization.

1090417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1090417 is about 1044.2303385748. The cubic root of 1090417 is about 102.9273689108.

The spelling of 1090417 in words is "one million, ninety thousand, four hundred seventeen".