1198506 has 8 divisors (see below), whose sum is σ = 2397024. Its totient is φ = 399500.

The previous prime is 1198481. The next prime is 1198511. The reversal of 1198506 is 6058911.

It is a happy number.

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

1198506 is an admirable number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99870 + ... + 99881.

It is an arithmetic number, because the mean of its divisors is an integer number (299628).

2^1198506 is an apocalyptic number.

1198506 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.

1198506 is a wasteful number, since it uses less digits than its factorization.

1198506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199756.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1198506 is about 1094.7629880481. The cubic root of 1198506 is about 106.2217382733.

The spelling of 1198506 in words is "one million, one hundred ninety-eight thousand, five hundred six".