1394256 has 40 divisors (see below), whose sum is σ = 3721984. Its totient is φ = 449280.

The previous prime is 1394251. The next prime is 1394269. The reversal of 1394256 is 6524931.

It is a d-powerful number, because it can be written as 1 + 3¹⁰ + 9⁴ + 4¹⁰ + 2⁷ + 5 + 6⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020 + ... + 1956.

2^1394256 is an apocalyptic number.

1394256 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 1394256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1860992).

1394256 is an abundant number, since it is smaller than the sum of its proper divisors (2327728).

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

1394256 is a wasteful number, since it uses less digits than its factorization.

1394256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 973 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 1394256 is about 1180.7861787809. The cubic root of 1394256 is about 111.7156904618.

The spelling of 1394256 in words is "one million, three hundred ninety-four thousand, two hundred fifty-six".