3644797 has 8 divisors (see below), whose sum is σ = 3949400. Its totient is φ = 3343680.

The previous prime is 3644791. The next prime is 3644801. The reversal of 3644797 is 7974463.

It can be written as a sum of positive squares in 4 ways, for example, as 181476 + 3463321 = 426^2 + 1861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3644797 - 2¹⁵ = 3612029 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579 + ... + 3127.

It is an arithmetic number, because the mean of its divisors is an integer number (493675).

Almost surely, 2^3644797 is an apocalyptic number.

It is an amenable number.

3644797 is a deficient number, since it is larger than the sum of its proper divisors (304603).

3644797 is a wasteful number, since it uses less digits than its factorization.

3644797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743.

The product of its digits is 127008, while the sum is 40.

The square root of 3644797 is about 1909.1351445092. The cubic root of 3644797 is about 153.8949781510.

It can be divided in two parts, 3 and 644797, that multiplied together give a palindrome (1934391).

The spelling of 3644797 in words is "three million, six hundred forty-four thousand, seven hundred ninety-seven".