1089508 has 24 divisors (see below), whose sum is σ = 2201472. Its totient is φ = 462144.

The previous prime is 1089503. The next prime is 1089509. The reversal of 1089508 is 8059801.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1089508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4560 + ... + 4792.

It is an arithmetic number, because the mean of its divisors is an integer number (91728).

2^1089508 is an apocalyptic number.

It is an amenable number.

1089508 is an abundant number, since it is smaller than the sum of its proper divisors (1111964).

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

1089508 is a wasteful number, since it uses less digits than its factorization.

1089508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1089508 is about 1043.7949990300. The cubic root of 1089508 is about 102.8987599814.

The spelling of 1089508 in words is "one million, eighty-nine thousand, five hundred eight".