3745636 has 12 divisors (see below), whose sum is σ = 6568828. Its totient is φ = 1868832.

The previous prime is 3745631. The next prime is 3745649. The reversal of 3745636 is 6365473.

3745636 is digitally balanced in base 2 and base 5, because in such bases 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 2579236 + 1166400 = 1606^2 + 1080^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745631) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2410 + ... + 3646.

Almost surely, 2^3745636 is an apocalyptic number.

It is an amenable number.

3745636 is a deficient number, since it is larger than the sum of its proper divisors (2823192).

3745636 is a wasteful number, since it uses less digits than its factorization.

3745636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998 (or 1996 counting only the distinct ones).

The product of its digits is 45360, while the sum is 34.

The square root of 3745636 is about 1935.3645651401. The cubic root of 3745636 is about 155.3013354038.

The spelling of 3745636 in words is "three million, seven hundred forty-five thousand, six hundred thirty-six".