3504239 has 2 divisors, whose sum is σ = 3504240. Its totient is φ = 3504238.

The previous prime is 3504223. The next prime is 3504251. The reversal of 3504239 is 9324053.

It is a strong prime.

It is an emirp because it is prime and its reverse (9324053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3504239 - 2⁴ = 3504223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3504289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1752119 + 1752120.

It is an arithmetic number, because the mean of its divisors is an integer number (1752120).

Almost surely, 2^3504239 is an apocalyptic number.

3504239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3504239 is an equidigital number, since it uses as much as digits as its factorization.

3504239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3504239 is about 1871.9612709669. The cubic root of 3504239 is about 151.8907195819.

The spelling of 3504239 in words is "three million, five hundred four thousand, two hundred thirty-nine".