3204139 has 2 divisors, whose sum is σ = 3204140. Its totient is φ = 3204138.

The previous prime is 3204137. The next prime is 3204203. The reversal of 3204139 is 9314023.

It is a weak prime.

It is an emirp because it is prime and its reverse (9314023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3204139 - 2¹ = 3204137 is a prime.

Together with 3204137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3204137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602069 + 1602070.

It is an arithmetic number, because the mean of its divisors is an integer number (1602070).

Almost surely, 2^3204139 is an apocalyptic number.

3204139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3204139 is an equidigital number, since it uses as much as digits as its factorization.

3204139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3204139 is about 1790.0108938216. The cubic root of 3204139 is about 147.4247667660.

The spelling of 3204139 in words is "three million, two hundred four thousand, one hundred thirty-nine".