1384642 has 24 divisors (see below), whose sum is σ = 2462400. Its totient is φ = 582120.

The previous prime is 1384631. The next prime is 1384661. The reversal of 1384642 is 2464831.

It is a self number, because there is not a number n which added to its sum of digits gives 1384642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6859 + ... + 7057.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

2^1384642 is an apocalyptic number.

1384642 is a deficient number, since it is larger than the sum of its proper divisors (1077758).

1384642 is a wasteful number, since it uses less digits than its factorization.

1384642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 279 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1384642 is about 1176.7081201385. The cubic root of 1384642 is about 111.4583219456.

The spelling of 1384642 in words is "one million, three hundred eighty-four thousand, six hundred forty-two".