3638674 has 16 divisors (see below), whose sum is σ = 5909400. Its totient is φ = 1670400.

The previous prime is 3638653. The next prime is 3638699. The reversal of 3638674 is 4768363.

It is a happy number.

3638674 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 4 ways, for example, as 3583449 + 55225 = 1893^2 + 235^2 .

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 7 ways as a sum of consecutive naturals, for example, 8874 + ... + 9274.

Almost surely, 2^3638674 is an apocalyptic number.

3638674 is a deficient number, since it is larger than the sum of its proper divisors (2270726).

3638674 is a wasteful number, since it uses less digits than its factorization.

3638674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its digits is 72576, while the sum is 37.

The square root of 3638674 is about 1907.5308647568. The cubic root of 3638674 is about 153.8087523055.

The spelling of 3638674 in words is "three million, six hundred thirty-eight thousand, six hundred seventy-four".