3738605 has 16 divisors (see below), whose sum is σ = 4883760. Its totient is φ = 2731008.

The previous prime is 3738587. The next prime is 3738607. The reversal of 3738605 is 5068373.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 630436 + 3108169 = 794^2 + 1763^2 .

It is a cyclic number.

It is not a de Polignac number, because 3738605 - 2⁶ = 3738541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3738607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7091 + ... + 7599.

It is an arithmetic number, because the mean of its divisors is an integer number (305235).

Almost surely, 2^3738605 is an apocalyptic number.

It is an amenable number.

3738605 is a deficient number, since it is larger than the sum of its proper divisors (1145155).

3738605 is a wasteful number, since it uses less digits than its factorization.

3738605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3738605 is about 1933.5472582795. The cubic root of 3738605 is about 155.2041015717.

The spelling of 3738605 in words is "three million, seven hundred thirty-eight thousand, six hundred five".