3713506 has 4 divisors (see below), whose sum is σ = 5570262. Its totient is φ = 1856752.

The previous prime is 3713491. The next prime is 3713533. The reversal of 3713506 is 6053173.

It is a happy number.

3713506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2975625 + 737881 = 1725^2 + 859^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 928375 + ... + 928378.

Almost surely, 2^3713506 is an apocalyptic number.

3713506 is a deficient number, since it is larger than the sum of its proper divisors (1856756).

3713506 is a wasteful number, since it uses less digits than its factorization.

3713506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856755.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 3713506 is about 1927.0459257631. The cubic root of 3713506 is about 154.8560022344.

Adding to 3713506 its reverse (6053173), we get a palindrome (9766679).

The spelling of 3713506 in words is "three million, seven hundred thirteen thousand, five hundred six".