3505239 has 12 divisors (see below), whose sum is σ = 5139576. Its totient is φ = 2301552.

The previous prime is 3505237. The next prime is 3505267. The reversal of 3505239 is 9325053.

It is not a de Polignac number, because 3505239 - 2¹ = 3505237 is a prime.

3505239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2304 + ... + 3509.

It is an arithmetic number, because the mean of its divisors is an integer number (428298).

Almost surely, 2^3505239 is an apocalyptic number.

3505239 is a deficient number, since it is larger than the sum of its proper divisors (1634337).

3505239 is a wasteful number, since it uses less digits than its factorization.

3505239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886 (or 5883 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 3505239 is about 1872.2283514572. The cubic root of 3505239 is about 151.9051664916.

The spelling of 3505239 in words is "three million, five hundred five thousand, two hundred thirty-nine".