2947141 has 4 divisors (see below), whose sum is σ = 2960352. Its totient is φ = 2933932.

The previous prime is 2947127. The next prime is 2947157. The reversal of 2947141 is 1417492.

2947141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2947141 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 (2947111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6265 + ... + 6718.

It is an arithmetic number, because the mean of its divisors is an integer number (740088).

2^2947141 is an apocalyptic number.

It is an amenable number.

2947141 is a deficient number, since it is larger than the sum of its proper divisors (13211).

2947141 is a wasteful number, since it uses less digits than its factorization.

2947141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13210.

The product of its digits is 2016, while the sum is 28.

The square root of 2947141 is about 1716.7239149030. The cubic root of 2947141 is about 143.3728675275.

The spelling of 2947141 in words is "two million, nine hundred forty-seven thousand, one hundred forty-one".