3798644 has 12 divisors (see below), whose sum is σ = 6663300. Its totient is φ = 1894848.

The previous prime is 3798643. The next prime is 3798649. The reversal of 3798644 is 4468973.

It can be written as a sum of positive squares in 2 ways, for example, as 1276900 + 2521744 = 1130^2 + 1588^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3798643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442 + ... + 3110.

It is an arithmetic number, because the mean of its divisors is an integer number (555275).

Almost surely, 2^3798644 is an apocalyptic number.

It is an amenable number.

3798644 is a deficient number, since it is larger than the sum of its proper divisors (2864656).

3798644 is a wasteful number, since it uses less digits than its factorization.

3798644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2240 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 3798644 is about 1949.0110312669. The cubic root of 3798644 is about 156.0305112357.

It can be divided in two parts, 3 and 798644, that multiplied together give a palindrome (2395932).

The spelling of 3798644 in words is "three million, seven hundred ninety-eight thousand, six hundred forty-four".