1089632 has 24 divisors (see below), whose sum is σ = 2272536. Its totient is φ = 512512.

The previous prime is 1089629. The next prime is 1089653. The reversal of 1089632 is 2369801.

It is a junction number, because it is equal to n+sod(n) for n = 1089595 and 1089604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (94689).

2^1089632 is an apocalyptic number.

It is an amenable number.

1089632 is an abundant number, since it is smaller than the sum of its proper divisors (1182904).

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

1089632 is a wasteful number, since it uses less digits than its factorization.

1089632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2022 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1089632 is about 1043.8543959768. The cubic root of 1089632 is about 102.9026635667.

The spelling of 1089632 in words is "one million, eighty-nine thousand, six hundred thirty-two".