1198648 has 32 divisors (see below), whose sum is σ = 2507760. Its totient is φ = 532480.

The previous prime is 1198643. The next prime is 1198651. The reversal of 1198648 is 8468911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198643) 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, 4536 + ... + 4792.

2^1198648 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 1198648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253880).

1198648 is an abundant number, since it is smaller than the sum of its proper divisors (1309112).

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

1198648 is a wasteful number, since it uses less digits than its factorization.

1198648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 323 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 1198648 is about 1094.8278403475. The cubic root of 1198648 is about 106.2259331880.

The spelling of 1198648 in words is "one million, one hundred ninety-eight thousand, six hundred forty-eight".