1108398 has 8 divisors (see below), whose sum is σ = 2216808. Its totient is φ = 369464.

The previous prime is 1108397. The next prime is 1108423. The reversal of 1108398 is 8938011.

It is a sphenic number, since it is the product of 3 distinct primes.

1108398 is an admirable number.

It is a super-2 number, since 2×1108398² = 2457092252808, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108397) 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 3 ways as a sum of consecutive naturals, for example, 92361 + ... + 92372.

It is an arithmetic number, because the mean of its divisors is an integer number (277101).

2^1108398 is an apocalyptic number.

1108398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1108398 is a wasteful number, since it uses less digits than its factorization.

1108398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184738.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1108398 is about 1052.8048252169. The cubic root of 1108398 is about 103.4900454848.

The spelling of 1108398 in words is "one million, one hundred eight thousand, three hundred ninety-eight".