1198956 has 48 divisors (see below), whose sum is σ = 3161088. Its totient is φ = 350400.

The previous prime is 1198949. The next prime is 1198973. The reversal of 1198956 is 6598911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3946 + ... + 4238.

It is an arithmetic number, because the mean of its divisors is an integer number (65856).

2^1198956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1198956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580544).

1198956 is an abundant number, since it is smaller than the sum of its proper divisors (1962132).

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

1198956 is a wasteful number, since it uses less digits than its factorization.

1198956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 340 counting only the distinct ones).

The product of its digits is 19440, while the sum is 39.

The square root of 1198956 is about 1094.9684926974. The cubic root of 1198956 is about 106.2350308785.

The spelling of 1198956 in words is "one million, one hundred ninety-eight thousand, nine hundred fifty-six".