3644472 has 32 divisors (see below), whose sum is σ = 9812880. Its totient is φ = 1121280.

The previous prime is 3644437. The next prime is 3644479. The reversal of 3644472 is 2744463.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5529 + ... + 6152.

Almost surely, 2^3644472 is an apocalyptic number.

It is an amenable number.

3644472 is an abundant number, since it is smaller than the sum of its proper divisors (6168408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3644472 is a wasteful number, since it uses less digits than its factorization.

3644472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11703 (or 11699 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 3644472 is about 1909.0500255363. The cubic root of 3644472 is about 153.8904038355.

Subtracting from 3644472 its reverse (2744463), we obtain a palindrome (900009).

The spelling of 3644472 in words is "three million, six hundred forty-four thousand, four hundred seventy-two".