1556482 has 4 divisors (see below), whose sum is σ = 2334726. Its totient is φ = 778240.

The previous prime is 1556473. The next prime is 1556491. The reversal of 1556482 is 2846551.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1556473) and next prime (1556491).

It can be written as a sum of positive squares in only one way, i.e., 1022121 + 534361 = 1011^2 + 731^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389119 + ... + 389122.

2^1556482 is an apocalyptic number.

1556482 is a deficient number, since it is larger than the sum of its proper divisors (778244).

1556482 is an equidigital number, since it uses as much as digits as its factorization.

1556482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778243.

The product of its digits is 9600, while the sum is 31.

The square root of 1556482 is about 1247.5904776809. The cubic root of 1556482 is about 115.8905527329.

The spelling of 1556482 in words is "one million, five hundred fifty-six thousand, four hundred eighty-two".