1556244 has 36 divisors (see below), whose sum is σ = 3974880. Its totient is φ = 513360.

The previous prime is 1556201. The next prime is 1556251. The reversal of 1556244 is 4426551.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4849 + ... + 5159.

2^1556244 is an apocalyptic number.

It is an amenable number.

1556244 is an abundant number, since it is smaller than the sum of its proper divisors (2418636).

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

1556244 is a wasteful number, since it uses less digits than its factorization.

1556244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 455 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1556244 is about 1247.4950901707. The cubic root of 1556244 is about 115.8846455316.

The spelling of 1556244 in words is "one million, five hundred fifty-six thousand, two hundred forty-four".