4310991 has 6 divisors (see below), whose sum is σ = 6227000. Its totient is φ = 2873988.

The previous prime is 4310989. The next prime is 4311001. The reversal of 4310991 is 1990134.

It is not a de Polignac number, because 4310991 - 2¹ = 4310989 is a prime.

It is a super-3 number, since 3×4310991³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4310491) 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 5 ways as a sum of consecutive naturals, for example, 239491 + ... + 239508.

Almost surely, 2^4310991 is an apocalyptic number.

4310991 is a deficient number, since it is larger than the sum of its proper divisors (1916009).

4310991 is a wasteful number, since it uses less digits than its factorization.

4310991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479005 (or 479002 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 4310991 is about 2076.2926094363. The cubic root of 4310991 is about 162.7517643703.

The spelling of 4310991 in words is "four million, three hundred ten thousand, nine hundred ninety-one".