1384256 has 28 divisors (see below), whose sum is σ = 2816352. Its totient is φ = 674688.

The previous prime is 1384249. The next prime is 1384303. The reversal of 1384256 is 6524831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501 + ... + 3003.

It is an arithmetic number, because the mean of its divisors is an integer number (100584).

2^1384256 is an apocalyptic number.

1384256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1384256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408176).

1384256 is an abundant number, since it is smaller than the sum of its proper divisors (1432096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1384256 is an equidigital number, since it uses as much as digits as its factorization.

1384256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 548 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1384256 is about 1176.5440918215. The cubic root of 1384256 is about 111.4479638144.

The spelling of 1384256 in words is "one million, three hundred eighty-four thousand, two hundred fifty-six".