1105998 has 8 divisors (see below), whose sum is σ = 2212008. Its totient is φ = 368664.

The previous prime is 1105997. The next prime is 1105999. The reversal of 1105998 is 8995011.

It is an interprime number because it is at equal distance from previous prime (1105997) and next prime (1105999).

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

1105998 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92161 + ... + 92172.

It is an arithmetic number, because the mean of its divisors is an integer number (276501).

2^1105998 is an apocalyptic number.

1105998 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.

1105998 is a wasteful number, since it uses less digits than its factorization.

1105998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184338.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 1105998 is about 1051.6643951375. The cubic root of 1105998 is about 103.4152962841.

The spelling of 1105998 in words is "one million, one hundred five thousand, nine hundred ninety-eight".