991094 has 8 divisors (see below), whose sum is σ = 1601040. Its totient is φ = 457416.

The previous prime is 991091. The next prime is 991127. The reversal of 991094 is 490199.

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

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 991094.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 991094.

It is not an unprimeable number, because it can be changed into a prime (991091) 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, 19034 + ... + 19085.

It is an arithmetic number, because the mean of its divisors is an integer number (200130).

2⁹⁹¹⁰⁹⁴ is an apocalyptic number.

991094 is a deficient number, since it is larger than the sum of its proper divisors (609946).

991094 is a wasteful number, since it uses less digits than its factorization.

991094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38134.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 991094 is about 995.5370409985. The cubic root of 991094 is about 99.7022476486.

The spelling of 991094 in words is "nine hundred ninety-one thousand, ninety-four".