10192391 has 4 divisors (see below), whose sum is σ = 11118984. Its totient is φ = 9265800.

The previous prime is 10192361. The next prime is 10192411. The reversal of 10192391 is 19329101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19329101 = 11 ⋅1757191.

It is a cyclic number.

It is not a de Polignac number, because 10192391 - 2⁶ = 10192327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10192391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10192321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463280 + ... + 463301.

It is an arithmetic number, because the mean of its divisors is an integer number (2779746).

Almost surely, 2^10192391 is an apocalyptic number.

10192391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10192391 is a deficient number, since it is larger than the sum of its proper divisors (926593).

10192391 is an equidigital number, since it uses as much as digits as its factorization.

10192391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926592.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 10192391 is about 3192.5524271341. The cubic root of 10192391 is about 216.8163481157.

The spelling of 10192391 in words is "ten million, one hundred ninety-two thousand, three hundred ninety-one".