1099968 has 56 divisors (see below), whose sum is σ = 3090672. Its totient is φ = 344064.

The previous prime is 1099961. The next prime is 1099997. The reversal of 1099968 is 8699901.

It is not an unprimeable number, because it can be changed into a prime (1099961) 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, 3096 + ... + 3432.

2^1099968 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 1099968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1545336).

1099968 is an abundant number, since it is smaller than the sum of its proper divisors (1990704).

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

1099968 is a wasteful number, since it uses less digits than its factorization.

1099968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 1099968 is about 1048.7935926578. The cubic root of 1099968 is about 103.2270105370.

The spelling of 1099968 in words is "one million, ninety-nine thousand, nine hundred sixty-eight".