2839147 has 4 divisors (see below), whose sum is σ = 2842560. Its totient is φ = 2835736.

The previous prime is 2839141. The next prime is 2839159. The reversal of 2839147 is 7419382.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7419382 = 2 ⋅3709691.

It is a cyclic number.

It is not a de Polignac number, because 2839147 - 2⁷ = 2839019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2839141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453 + ... + 2425.

It is an arithmetic number, because the mean of its divisors is an integer number (710640).

2^2839147 is an apocalyptic number.

2839147 is a deficient number, since it is larger than the sum of its proper divisors (3413).

2839147 is a wasteful number, since it uses less digits than its factorization.

2839147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412.

The product of its digits is 12096, while the sum is 34.

The square root of 2839147 is about 1684.9768544404. The cubic root of 2839147 is about 141.5997955831.

The spelling of 2839147 in words is "two million, eight hundred thirty-nine thousand, one hundred forty-seven".