10436991 has 4 divisors (see below), whose sum is σ = 13915992. Its totient is φ = 6957992.

The previous prime is 10436989. The next prime is 10437017. The reversal of 10436991 is 19963401.

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

It is a cyclic number.

It is not a de Polignac number, because 10436991 - 2¹ = 10436989 is a prime.

It is a super-2 number, since 2×10436991² = 217861562268162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10436971) 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, 1739496 + ... + 1739501.

It is an arithmetic number, because the mean of its divisors is an integer number (3478998).

Almost surely, 2^10436991 is an apocalyptic number.

10436991 is a deficient number, since it is larger than the sum of its proper divisors (3479001).

10436991 is an equidigital number, since it uses as much as digits as its factorization.

10436991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479000.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 10436991 is about 3230.6332196645. The cubic root of 10436991 is about 218.5370634291.

The spelling of 10436991 in words is "ten million, four hundred thirty-six thousand, nine hundred ninety-one".