10394891 has 8 divisors (see below), whose sum is σ = 11497584. Its totient is φ = 9335520.

The previous prime is 10394887. The next prime is 10394893. The reversal of 10394891 is 19849301.

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

It is a cyclic number.

It is not a de Polignac number, because 10394891 - 2² = 10394887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10394893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10325 + ... + 11286.

It is an arithmetic number, because the mean of its divisors is an integer number (1437198).

Almost surely, 2^10394891 is an apocalyptic number.

10394891 is a deficient number, since it is larger than the sum of its proper divisors (1102693).

10394891 is a wasteful number, since it uses less digits than its factorization.

10394891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21661.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 10394891 is about 3224.1108851899. The cubic root of 10394891 is about 218.2428276408.

The spelling of 10394891 in words is "ten million, three hundred ninety-four thousand, eight hundred ninety-one".