10391086 has 4 divisors (see below), whose sum is σ = 15586632. Its totient is φ = 5195542.

The previous prime is 10391071. The next prime is 10391093. The reversal of 10391086 is 68019301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2597770 + ... + 2597773.

It is an arithmetic number, because the mean of its divisors is an integer number (3896658).

Almost surely, 2^10391086 is an apocalyptic number.

10391086 is a deficient number, since it is larger than the sum of its proper divisors (5195546).

10391086 is an equidigital number, since it uses as much as digits as its factorization.

10391086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195545.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10391086 is about 3223.5207460167. The cubic root of 10391086 is about 218.2161954775.

The spelling of 10391086 in words is "ten million, three hundred ninety-one thousand, eighty-six".