1089908 has 6 divisors (see below), whose sum is σ = 1907346. Its totient is φ = 544952.

The previous prime is 1089877. The next prime is 1089917. The reversal of 1089908 is 8099801.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1056784 + 33124 = 1028^2 + 182^2 .

It is a super-3 number, since 3×1089908³ = 3884103336229503936, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136235 + ... + 136242.

It is an arithmetic number, because the mean of its divisors is an integer number (317891).

2^1089908 is an apocalyptic number.

It is an amenable number.

1089908 is a deficient number, since it is larger than the sum of its proper divisors (817438).

1089908 is a wasteful number, since it uses less digits than its factorization.

1089908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272481 (or 272479 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 1089908 is about 1043.9865899522. The cubic root of 1089908 is about 102.9113511290.

The spelling of 1089908 in words is "one million, eighty-nine thousand, nine hundred eight".