1199844 has 18 divisors (see below), whose sum is σ = 3033030. Its totient is φ = 399936.

The previous prime is 1199839. The next prime is 1199851. The reversal of 1199844 is 4489911.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 97344 = 1050^2 + 312^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 33329 = 1199844 / (1 + 1 + 9 + 9 + 8 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 1199799 and 1199808.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16629 + ... + 16700.

2^1199844 is an apocalyptic number.

It is an amenable number.

1199844 is an abundant number, since it is smaller than the sum of its proper divisors (1833186).

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

1199844 is a wasteful number, since it uses less digits than its factorization.

1199844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33339 (or 33334 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1199844 is about 1095.3739087636. The cubic root of 1199844 is about 106.2612518649.

The spelling of 1199844 in words is "one million, one hundred ninety-nine thousand, eight hundred forty-four".