3522709 has 4 divisors (see below), whose sum is σ = 3562380. Its totient is φ = 3483040.

The previous prime is 3522671. The next prime is 3522737. The reversal of 3522709 is 9072253.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1500625 + 2022084 = 1225^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 3522709 - 2¹³ = 3514517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3522109) 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, 19702 + ... + 19879.

It is an arithmetic number, because the mean of its divisors is an integer number (890595).

Almost surely, 2^3522709 is an apocalyptic number.

It is an amenable number.

3522709 is a deficient number, since it is larger than the sum of its proper divisors (39671).

3522709 is an equidigital number, since it uses as much as digits as its factorization.

3522709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39670.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3522709 is about 1876.8881160048. Note that the first 3 decimals coincide. The cubic root of 3522709 is about 152.1571119020.

The spelling of 3522709 in words is "three million, five hundred twenty-two thousand, seven hundred nine".