1383641 has 8 divisors (see below), whose sum is σ = 1592640. Its totient is φ = 1177488.

The previous prime is 1383607. The next prime is 1383653. The reversal of 1383641 is 1463831.

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 1383641 - 2¹⁴ = 1367257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1383641.

It is not an unprimeable number, because it can be changed into a prime (1383691) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 470 + ... + 1728.

It is an arithmetic number, because the mean of its divisors is an integer number (199080).

2^1383641 is an apocalyptic number.

It is an amenable number.

1383641 is a deficient number, since it is larger than the sum of its proper divisors (208999).

1383641 is a wasteful number, since it uses less digits than its factorization.

1383641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its digits is 1728, while the sum is 26.

The square root of 1383641 is about 1176.2827041150. The cubic root of 1383641 is about 111.4314565954.

The spelling of 1383641 in words is "one million, three hundred eighty-three thousand, six hundred forty-one".