3991160 has 32 divisors (see below), whose sum is σ = 9069840. Its totient is φ = 1580544.

The previous prime is 3991139. The next prime is 3991181. The reversal of 3991160 is 611993.

It is an interprime number because it is at equal distance from previous prime (3991139) and next prime (3991181).

It is a nialpdrome in base 13.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4079 + ... + 4961.

Almost surely, 2^3991160 is an apocalyptic number.

It is an amenable number.

3991160 is an abundant number, since it is smaller than the sum of its proper divisors (5078680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3991160 is a wasteful number, since it uses less digits than its factorization.

3991160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1003 counting only the distinct ones).

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

The square root of 3991160 is about 1997.7887776239. The cubic root of 3991160 is about 158.6230804020.

The spelling of 3991160 in words is "three million, nine hundred ninety-one thousand, one hundred sixty".