3644352 has 140 divisors (see below), whose sum is σ = 11678920. Its totient is φ = 1119744.

The previous prime is 3644351. The next prime is 3644357. The reversal of 3644352 is 2534463.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (8640) is a multiple of the sum of its prime factors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644351) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98478 + ... + 98514.

Almost surely, 2^3644352 is an apocalyptic number.

3644352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3644352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5839460).

3644352 is an abundant number, since it is smaller than the sum of its proper divisors (8034568).

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

3644352 is a wasteful number, since it uses less digits than its factorization.

3644352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 61 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 3644352 is about 1909.0185960331. The cubic root of 3644352 is about 153.8887147887. Note that the first 3 decimals are identical.

The spelling of 3644352 in words is "three million, six hundred forty-four thousand, three hundred fifty-two".