1108388 has 6 divisors (see below), whose sum is σ = 1939686. Its totient is φ = 554192.

The previous prime is 1108369. The next prime is 1108397. The reversal of 1108388 is 8838011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 708964 + 399424 = 842^2 + 632^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1108388.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138545 + ... + 138552.

It is an arithmetic number, because the mean of its divisors is an integer number (323281).

2^1108388 is an apocalyptic number.

It is an amenable number.

1108388 is a deficient number, since it is larger than the sum of its proper divisors (831298).

1108388 is a wasteful number, since it uses less digits than its factorization.

1108388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277101 (or 277099 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1108388 is about 1052.8000759878. The cubic root of 1108388 is about 103.4897342537.

The spelling of 1108388 in words is "one million, one hundred eight thousand, three hundred eighty-eight".