1643482 has 4 divisors (see below), whose sum is σ = 2465226. Its totient is φ = 821740.

The previous prime is 1643461. The next prime is 1643491. The reversal of 1643482 is 2843461.

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

It can be written as a sum of positive squares in only one way, i.e., 1590121 + 53361 = 1261^2 + 231^2 .

It is a d-powerful number, because it can be written as 1 + 6 + 4⁶ + 3¹³ + 4⁶ + 8⁵ + 2¹³ .

It is a self number, because there is not a number n which added to its sum of digits gives 1643482.

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 as a sum of consecutive naturals, namely, 410869 + ... + 410872.

2^1643482 is an apocalyptic number.

1643482 is a deficient number, since it is larger than the sum of its proper divisors (821744).

1643482 is an equidigital number, since it uses as much as digits as its factorization.

1643482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821743.

The product of its digits is 4608, while the sum is 28.

The square root of 1643482 is about 1281.9836192401. The cubic root of 1643482 is about 118.0107717831.

The spelling of 1643482 in words is "one million, six hundred forty-three thousand, four hundred eighty-two".