3140891 has 8 divisors (see below), whose sum is σ = 3396960. Its totient is φ = 2886912.

The previous prime is 3140881. The next prime is 3140911. The reversal of 3140891 is 1980413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3140891 - 2¹⁰ = 3139867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3140891.

It is not an unprimeable number, because it can be changed into a prime (3140821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4331 + ... + 5003.

It is an arithmetic number, because the mean of its divisors is an integer number (424620).

Almost surely, 2^3140891 is an apocalyptic number.

3140891 is a deficient number, since it is larger than the sum of its proper divisors (256069).

3140891 is a wasteful number, since it uses less digits than its factorization.

3140891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 3140891 is about 1772.2559070292. The cubic root of 3140891 is about 146.4482843860.

It can be divided in two parts, 31 and 40891, that multiplied together give a palindrome (1267621).

The spelling of 3140891 in words is "three million, one hundred forty thousand, eight hundred ninety-one".