3643797 has 16 divisors (see below), whose sum is σ = 5285952. Its totient is φ = 2223360.

The previous prime is 3643751. The next prime is 3643799. The reversal of 3643797 is 7973463.

It is not a de Polignac number, because 3643797 - 2⁶ = 3643733 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 922 + ... + 2852.

It is an arithmetic number, because the mean of its divisors is an integer number (330372).

Almost surely, 2^3643797 is an apocalyptic number.

3643797 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3643797 is a deficient number, since it is larger than the sum of its proper divisors (1642155).

3643797 is a wasteful number, since it uses less digits than its factorization.

3643797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988.

The product of its digits is 95256, while the sum is 39.

The square root of 3643797 is about 1908.8732278494. The cubic root of 3643797 is about 153.8809024650.

It can be divided in two parts, 3 and 643797, that multiplied together give a palindrome (1931391).

The spelling of 3643797 in words is "three million, six hundred forty-three thousand, seven hundred ninety-seven".