1115598 has 16 divisors (see below), whose sum is σ = 2434176. Its totient is φ = 338040.

The previous prime is 1115581. The next prime is 1115599. The reversal of 1115598 is 8955111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8386 + ... + 8517.

It is an arithmetic number, because the mean of its divisors is an integer number (152136).

2^1115598 is an apocalyptic number.

1115598 is an abundant number, since it is smaller than the sum of its proper divisors (1318578).

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

1115598 is a wasteful number, since it uses less digits than its factorization.

1115598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16919.

The product of its digits is 1800, while the sum is 30.

The square root of 1115598 is about 1056.2187273477. The cubic root of 1115598 is about 103.7136476891.

The spelling of 1115598 in words is "one million, one hundred fifteen thousand, five hundred ninety-eight".