3644130 has 96 divisors (see below), whose sum is σ = 10604736. Its totient is φ = 798336.

The previous prime is 3644129. The next prime is 3644149. The reversal of 3644130 is 314463.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3644097 and 3644106.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 54357 + ... + 54423.

It is an arithmetic number, because the mean of its divisors is an integer number (110466).

Almost surely, 2^3644130 is an apocalyptic number.

3644130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3644130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5302368).

3644130 is an abundant number, since it is smaller than the sum of its proper divisors (6960606).

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

3644130 is a wasteful number, since it uses less digits than its factorization.

3644130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3644130 is about 1908.9604500880. The cubic root of 3644130 is about 153.8855899544.

Adding to 3644130 its reverse (314463), we get a palindrome (3958593).

The spelling of 3644130 in words is "three million, six hundred forty-four thousand, one hundred thirty".