3709506 has 16 divisors (see below), whose sum is σ = 7675200. Its totient is φ = 1193808.

The previous prime is 3709501. The next prime is 3709513. The reversal of 3709506 is 6059073.

It is not an unprimeable number, because it can be changed into a prime (3709501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10486 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (479700).

Almost surely, 2^3709506 is an apocalyptic number.

3709506 is an abundant number, since it is smaller than the sum of its proper divisors (3965694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3709506 is a wasteful number, since it uses less digits than its factorization.

3709506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21353.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 3709506 is about 1926.0077881462. The cubic root of 3709506 is about 154.8003812529.

Subtracting from 3709506 its sum of digits (30), we obtain a square (3709476 = 1926²).

The spelling of 3709506 in words is "three million, seven hundred nine thousand, five hundred six".