1566244 has 24 divisors (see below), whose sum is σ = 2999808. Its totient is φ = 712320.

The previous prime is 1566239. The next prime is 1566251. The reversal of 1566244 is 4426651.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1737 + ... + 2479.

It is an arithmetic number, because the mean of its divisors is an integer number (124992).

2^1566244 is an apocalyptic number.

It is an amenable number.

1566244 is a deficient number, since it is larger than the sum of its proper divisors (1433564).

1566244 is a wasteful number, since it uses less digits than its factorization.

1566244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 793 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 1566244 is about 1251.4967039509. The cubic root of 1566244 is about 116.1323301566.

It can be divided in two parts, 156 and 6244, that added together give a square (6400 = 80²).

The spelling of 1566244 in words is "one million, five hundred sixty-six thousand, two hundred forty-four".