1195998 has 16 divisors (see below), whose sum is σ = 2437776. Its totient is φ = 391040.

The previous prime is 1195991. The next prime is 1196003. The reversal of 1195998 is 8995911.

It is a super-2 number, since 2×1195998² = 2860822432008, which contains 22 as substring.

It is an Ulam 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 (1195991) 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, 1563 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (152361).

2^1195998 is an apocalyptic number.

1195998 is an abundant number, since it is smaller than the sum of its proper divisors (1241778).

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

1195998 is a wasteful number, since it uses less digits than its factorization.

1195998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819.

The product of its digits is 29160, while the sum is 42.

The square root of 1195998 is about 1093.6169347628. The cubic root of 1195998 is about 106.1475931398.

The spelling of 1195998 in words is "one million, one hundred ninety-five thousand, nine hundred ninety-eight".