1089726 has 48 divisors (see below), whose sum is σ = 2553600. Its totient is φ = 308880.

The previous prime is 1089713. The next prime is 1089757. The reversal of 1089726 is 6279801.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13755 + ... + 13833.

It is an arithmetic number, because the mean of its divisors is an integer number (53200).

2^1089726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1089726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1276800).

1089726 is an abundant number, since it is smaller than the sum of its proper divisors (1463874).

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

1089726 is a wasteful number, since it uses less digits than its factorization.

1089726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1089726 is about 1043.8994204424. The cubic root of 1089726 is about 102.9056225389.

The spelling of 1089726 in words is "one million, eighty-nine thousand, seven hundred twenty-six".