383644 has 6 divisors (see below), whose sum is σ = 671384. Its totient is φ = 191820.

The previous prime is 383633. The next prime is 383651. The reversal of 383644 is 446383.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47952 + ... + 47959.

2³⁸³⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

383644 is a deficient number, since it is larger than the sum of its proper divisors (287740).

383644 is a wasteful number, since it uses less digits than its factorization.

383644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95915 (or 95913 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 383644 is about 619.3900225222. The cubic root of 383644 is about 72.6623551389.

The spelling of 383644 in words is "three hundred eighty-three thousand, six hundred forty-four".