1089388 has 6 divisors (see below), whose sum is σ = 1906436. Its totient is φ = 544692.

The previous prime is 1089383. The next prime is 1089397. The reversal of 1089388 is 8839801.

It is not an unprimeable number, because it can be changed into a prime (1089383) 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 as a sum of consecutive naturals, namely, 136170 + ... + 136177.

2^1089388 is an apocalyptic number.

It is an amenable number.

1089388 is a deficient number, since it is larger than the sum of its proper divisors (817048).

1089388 is a wasteful number, since it uses less digits than its factorization.

1089388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272351 (or 272349 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1089388 is about 1043.7375148954. The cubic root of 1089388 is about 102.8949820362.

It can be divided in two parts, 10 and 89388, that added together give a palindrome (89398).

The spelling of 1089388 in words is "one million, eighty-nine thousand, three hundred eighty-eight".