3643798 has 16 divisors (see below), whose sum is σ = 5762016. Its totient is φ = 1724800.

The previous prime is 3643751. The next prime is 3643799. The reversal of 3643798 is 8973463.

It is a d-powerful number, because it can be written as 3 + 6⁸ + 4¹⁰ + 3⁵ + 7⁷ + 9⁵ + 8⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 3643798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643799) 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, 4848 + ... + 5548.

It is an arithmetic number, because the mean of its divisors is an integer number (360126).

Almost surely, 2^3643798 is an apocalyptic number.

3643798 is a deficient number, since it is larger than the sum of its proper divisors (2118218).

3643798 is a wasteful number, since it uses less digits than its factorization.

3643798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its digits is 108864, while the sum is 40.

The square root of 3643798 is about 1908.8734897840. The cubic root of 3643798 is about 153.8809165420.

It can be divided in two parts, 36 and 43798, that added together give a palindrome (43834).

The spelling of 3643798 in words is "three million, six hundred forty-three thousand, seven hundred ninety-eight".