1090444 has 12 divisors (see below), whose sum is σ = 1923768. Its totient is φ = 540800.

The previous prime is 1090423. The next prime is 1090457. The reversal of 1090444 is 4440901.

It is a happy number.

1090444 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517 + ... + 1564.

It is an arithmetic number, because the mean of its divisors is an integer number (160314).

2^1090444 is an apocalyptic number.

It is an amenable number.

1090444 is a deficient number, since it is larger than the sum of its proper divisors (833324).

1090444 is a wasteful number, since it uses less digits than its factorization.

1090444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2214 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1090444 is about 1044.2432666769. The cubic root of 1090444 is about 102.9282184378.

The spelling of 1090444 in words is "one million, ninety thousand, four hundred forty-four".