2439147 has 4 divisors (see below), whose sum is σ = 3252200. Its totient is φ = 1626096.

The previous prime is 2439137. The next prime is 2439167. The reversal of 2439147 is 7419342.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2439147 - 2⁶ = 2439083 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2439137) 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, 406522 + ... + 406527.

It is an arithmetic number, because the mean of its divisors is an integer number (813050).

2^2439147 is an apocalyptic number.

2439147 is a deficient number, since it is larger than the sum of its proper divisors (813053).

2439147 is an equidigital number, since it uses as much as digits as its factorization.

2439147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813052.

The product of its digits is 6048, while the sum is 30.

The square root of 2439147 is about 1561.7768726678. The cubic root of 2439147 is about 134.6106201056.

The spelling of 2439147 in words is "two million, four hundred thirty-nine thousand, one hundred forty-seven".