1384939 has 8 divisors (see below), whose sum is σ = 1502928. Its totient is φ = 1271040.

The previous prime is 1384937. The next prime is 1384951. The reversal of 1384939 is 9394831.

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 1384939 - 2¹ = 1384937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1384898 and 1384907.

It is not an unprimeable number, because it can be changed into a prime (1384937) 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, 297 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (187866).

2^1384939 is an apocalyptic number.

1384939 is a deficient number, since it is larger than the sum of its proper divisors (117989).

1384939 is a wasteful number, since it uses less digits than its factorization.

1384939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

The product of its digits is 23328, while the sum is 37.

The square root of 1384939 is about 1176.8343128920. The cubic root of 1384939 is about 111.4662904928.

The spelling of 1384939 in words is "one million, three hundred eighty-four thousand, nine hundred thirty-nine".