3644494 has 16 divisors (see below), whose sum is σ = 6615648. Its totient is φ = 1469952.

The previous prime is 3644483. The next prime is 3644497. The reversal of 3644494 is 4944463.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644497) 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, 7419 + ... + 7894.

It is an arithmetic number, because the mean of its divisors is an integer number (413478).

Almost surely, 2^3644494 is an apocalyptic number.

3644494 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3644494 is a deficient number, since it is larger than the sum of its proper divisors (2971154).

3644494 is a wasteful number, since it uses less digits than its factorization.

3644494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15339.

The product of its digits is 41472, while the sum is 34.

The square root of 3644494 is about 1909.0557875557. The cubic root of 3644494 is about 153.8907134900.

The spelling of 3644494 in words is "three million, six hundred forty-four thousand, four hundred ninety-four".