10892991 has 4 divisors (see below), whose sum is σ = 14523992. Its totient is φ = 7261992.

The previous prime is 10892963. The next prime is 10893011. The reversal of 10892991 is 19929801.

It is a happy number.

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

It is not a de Polignac number, because 10892991 - 2⁷ = 10892863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10892941) 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, 1815496 + ... + 1815501.

It is an arithmetic number, because the mean of its divisors is an integer number (3630998).

Almost surely, 2^10892991 is an apocalyptic number.

10892991 is a deficient number, since it is larger than the sum of its proper divisors (3631001).

10892991 is an equidigital number, since it uses as much as digits as its factorization.

10892991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631000.

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 10892991 is about 3300.4531507052. The cubic root of 10892991 is about 221.6744884521.

The spelling of 10892991 in words is "ten million, eight hundred ninety-two thousand, nine hundred ninety-one".