1384678 has 8 divisors (see below), whose sum is σ = 2116368. Its totient is φ = 679224.

The previous prime is 1384673. The next prime is 1384679. The reversal of 1384678 is 8764831.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384673) 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, 6426 + ... + 6637.

It is an arithmetic number, because the mean of its divisors is an integer number (264546).

2^1384678 is an apocalyptic number.

1384678 is a deficient number, since it is larger than the sum of its proper divisors (731690).

1384678 is a wasteful number, since it uses less digits than its factorization.

1384678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13118.

The product of its digits is 32256, while the sum is 37.

The square root of 1384678 is about 1176.7234169506. The cubic root of 1384678 is about 111.4592878908.

It can be divided in two parts, 13846 and 78, that added together give a square (13924 = 118²).

The spelling of 1384678 in words is "one million, three hundred eighty-four thousand, six hundred seventy-eight".