3204739 has 2 divisors, whose sum is σ = 3204740. Its totient is φ = 3204738.

The previous prime is 3204701. The next prime is 3204767. The reversal of 3204739 is 9374023.

It is an a-pointer prime, because the next prime (3204767) can be obtained adding 3204739 to its sum of digits (28).

It is a strong prime.

It is an emirp because it is prime and its reverse (9374023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3204739 - 2⁷ = 3204611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3204769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602369 + 1602370.

It is an arithmetic number, because the mean of its divisors is an integer number (1602370).

Almost surely, 2^3204739 is an apocalyptic number.

3204739 is a deficient number, since it is larger than the sum of its proper divisors (1).

3204739 is an equidigital number, since it uses as much as digits as its factorization.

3204739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 3204739 is about 1790.1784827218. The cubic root of 3204739 is about 147.4339683372.

The spelling of 3204739 in words is "three million, two hundred four thousand, seven hundred thirty-nine".