3644474 has 16 divisors (see below), whose sum is σ = 5643648. Its totient is φ = 1764192.

The previous prime is 3644437. The next prime is 3644479. The reversal of 3644474 is 4744463.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3644474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644479) 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 7 ways as a sum of consecutive naturals, for example, 12737 + ... + 13019.

It is an arithmetic number, because the mean of its divisors is an integer number (352728).

Almost surely, 2^3644474 is an apocalyptic number.

3644474 is a deficient number, since it is larger than the sum of its proper divisors (1999174).

3644474 is a wasteful number, since it uses less digits than its factorization.

3644474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its digits is 32256, while the sum is 32.

The square root of 3644474 is about 1909.0505493569. The cubic root of 3644474 is about 153.8904319859.

The spelling of 3644474 in words is "three million, six hundred forty-four thousand, four hundred seventy-four".