1199898 has 48 divisors (see below), whose sum is σ = 3032640. Its totient is φ = 335808.

The previous prime is 1199893. The next prime is 1199899. The reversal of 1199898 is 8989911.

It is not an unprimeable number, because it can be changed into a prime (1199893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11161 + ... + 11267.

It is an arithmetic number, because the mean of its divisors is an integer number (63180).

2^1199898 is an apocalyptic number.

1199898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516320).

1199898 is an abundant number, since it is smaller than the sum of its proper divisors (1832742).

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

1199898 is a wasteful number, since it uses less digits than its factorization.

1199898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 208 counting only the distinct ones).

The product of its digits is 46656, while the sum is 45.

The square root of 1199898 is about 1095.3985576036. The cubic root of 1199898 is about 106.2628459670.

The spelling of 1199898 in words is "one million, one hundred ninety-nine thousand, eight hundred ninety-eight".