1090544 has 60 divisors (see below), whose sum is σ = 2671704. Its totient is φ = 427392.

The previous prime is 1090519. The next prime is 1090553. The reversal of 1090544 is 4450901.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10139 + ... + 10245.

2^1090544 is an apocalyptic number.

1090544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335852).

1090544 is an abundant number, since it is smaller than the sum of its proper divisors (1581160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1090544 is a wasteful number, since it uses less digits than its factorization.

1090544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1090544 is about 1044.2911471424. The cubic root of 1090544 is about 102.9313647119.

The spelling of 1090544 in words is "one million, ninety thousand, five hundred forty-four".