3638474 has 16 divisors (see below), whose sum is σ = 6265728. Its totient is φ = 1552272.

The previous prime is 3638473. The next prime is 3638477. The reversal of 3638474 is 4748363.

3638474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3638473) 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 7 ways as a sum of consecutive naturals, for example, 3659 + ... + 4545.

It is an arithmetic number, because the mean of its divisors is an integer number (391608).

Almost surely, 2^3638474 is an apocalyptic number.

3638474 is a deficient number, since it is larger than the sum of its proper divisors (2627254).

3638474 is a wasteful number, since it uses less digits than its factorization.

3638474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its digits is 48384, while the sum is 35.

The square root of 3638474 is about 1907.4784402451. The cubic root of 3638474 is about 153.8059342172.

The spelling of 3638474 in words is "three million, six hundred thirty-eight thousand, four hundred seventy-four".