1099994 has 8 divisors (see below), whose sum is σ = 1885728. Its totient is φ = 471420.

The previous prime is 1099961. The next prime is 1099997. The reversal of 1099994 is 4999901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1099997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39272 + ... + 39299.

It is an arithmetic number, because the mean of its divisors is an integer number (235716).

2^1099994 is an apocalyptic number.

1099994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1099994 is a deficient number, since it is larger than the sum of its proper divisors (785734).

1099994 is an equidigital number, since it uses as much as digits as its factorization.

1099994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78580.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 1099994 is about 1048.8059877785. The cubic root of 1099994 is about 103.2278238580.

The spelling of 1099994 in words is "one million, ninety-nine thousand, nine hundred ninety-four".