2942149 has 4 divisors (see below), whose sum is σ = 3362464. Its totient is φ = 2521836.

The previous prime is 2942141. The next prime is 2942161. The reversal of 2942149 is 9412492.

It is a happy number.

2942149 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 not a de Polignac number, because 2942149 - 2³ = 2942141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2942149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942141) 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, 210147 + ... + 210160.

It is an arithmetic number, because the mean of its divisors is an integer number (840616).

2^2942149 is an apocalyptic number.

It is an amenable number.

2942149 is a deficient number, since it is larger than the sum of its proper divisors (420315).

2942149 is an equidigital number, since it uses as much as digits as its factorization.

2942149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420314.

The product of its digits is 5184, while the sum is 31.

The square root of 2942149 is about 1715.2693666011. The cubic root of 2942149 is about 143.2918713077.

The spelling of 2942149 in words is "two million, nine hundred forty-two thousand, one hundred forty-nine".