3140361 has 18 divisors (see below), whose sum is σ = 5277402. Its totient is φ = 1794240.

The previous prime is 3140353. The next prime is 3140363. The reversal of 3140361 is 1630413.

It can be written as a sum of positive squares in only one way, i.e., 1806336 + 1334025 = 1344^2 + 1155^2 .

It is not a de Polignac number, because 3140361 - 2³ = 3140353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3140363) 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 17 ways as a sum of consecutive naturals, for example, 3120 + ... + 4001.

It is an arithmetic number, because the mean of its divisors is an integer number (293189).

Almost surely, 2^3140361 is an apocalyptic number.

It is an amenable number.

3140361 is a deficient number, since it is larger than the sum of its proper divisors (2137041).

3140361 is a wasteful number, since it uses less digits than its factorization.

3140361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141 (or 7131 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3140361 is about 1772.1063737823. The cubic root of 3140361 is about 146.4400466008.

Adding to 3140361 its reverse (1630413), we get a palindrome (4770774).

The spelling of 3140361 in words is "three million, one hundred forty thousand, three hundred sixty-one".