3160991 has 6 divisors (see below), whose sum is σ = 3220776. Its totient is φ = 3101700.

The previous prime is 3160979. The next prime is 3161003. The reversal of 3160991 is 1990613.

It is an interprime number because it is at equal distance from previous prime (3160979) and next prime (3161003).

It is not a de Polignac number, because 3160991 - 2¹⁴ = 3144607 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 (3160931) 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, 14876 + ... + 15086.

It is an arithmetic number, because the mean of its divisors is an integer number (536796).

Almost surely, 2^3160991 is an apocalyptic number.

3160991 is a deficient number, since it is larger than the sum of its proper divisors (59785).

3160991 is an frugal number, since it uses more digits than its factorization.

3160991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 3160991 is about 1777.9176021402. The cubic root of 3160991 is about 146.7600169034.

The spelling of 3160991 in words is "three million, one hundred sixty thousand, nine hundred ninety-one".