1090244 has 12 divisors (see below), whose sum is σ = 2020284. Its totient is φ = 513024.

The previous prime is 1090241. The next prime is 1090249. The reversal of 1090244 is 4420901.

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 774400 = 562^2 + 880^2 .

It is not an unprimeable number, because it can be changed into a prime (1090241) 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 3 ways as a sum of consecutive naturals, for example, 7949 + ... + 8084.

It is an arithmetic number, because the mean of its divisors is an integer number (168357).

2^1090244 is an apocalyptic number.

It is an amenable number.

1090244 is a deficient number, since it is larger than the sum of its proper divisors (930040).

1090244 is a wasteful number, since it uses less digits than its factorization.

1090244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16054 (or 16052 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1090244 is about 1044.1474991590. The cubic root of 1090244 is about 102.9219253124.

The spelling of 1090244 in words is "one million, ninety thousand, two hundred forty-four".