3715538 has 18 divisors (see below), whose sum is σ = 5897541. Its totient is φ = 1755544.

The previous prime is 3715513. The next prime is 3715541. The reversal of 3715538 is 8355173.

3715538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3713329 + 2209 = 1927^2 + 47^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1363.

It is a Duffinian 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 in 8 ways as a sum of consecutive naturals, for example, 79031 + ... + 79077.

Almost surely, 2^3715538 is an apocalyptic number.

3715538 is a deficient number, since it is larger than the sum of its proper divisors (2182003).

3715538 is an equidigital number, since it uses as much as digits as its factorization.

3715538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 78 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 3715538 is about 1927.5730855145. The cubic root of 3715538 is about 154.8842423952.

Multiplying 3715538 by its sum of digits (32), we get a square (118897216 = 10904²).

The spelling of 3715538 in words is "three million, seven hundred fifteen thousand, five hundred thirty-eight".