1955256 has 32 divisors (see below), whose sum is σ = 4922640. Its totient is φ = 647168.

The previous prime is 1955251. The next prime is 1955279. The reversal of 1955256 is 6525591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6010 + ... + 6326.

2^1955256 is an apocalyptic number.

It is an amenable number.

1955256 is an abundant number, since it is smaller than the sum of its proper divisors (2967384).

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

1955256 is a wasteful number, since it uses less digits than its factorization.

1955256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 579 counting only the distinct ones).

The product of its digits is 13500, while the sum is 33.

The square root of 1955256 is about 1398.3046878274. The cubic root of 1955256 is about 125.0454448095.

It can be divided in two parts, 1955 and 256, that added together give a triangular number (2211 = T₆₆).

The spelling of 1955256 in words is "one million, nine hundred fifty-five thousand, two hundred fifty-six".