1670882 has 4 divisors (see below), whose sum is σ = 2506326. Its totient is φ = 835440.

The previous prime is 1670863. The next prime is 1670887. The reversal of 1670882 is 2880761.

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., 1079521 + 591361 = 1039^2 + 769^2 .

It is not an unprimeable number, because it can be changed into a prime (1670887) 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 as a sum of consecutive naturals, namely, 417719 + ... + 417722.

2^1670882 is an apocalyptic number.

1670882 is a deficient number, since it is larger than the sum of its proper divisors (835444).

1670882 is an equidigital number, since it uses as much as digits as its factorization.

1670882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835443.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1670882 is about 1292.6260093314. The cubic root of 1670882 is about 118.6629826039.

It can be divided in two parts, 1670 and 882, that added together give a palindrome (2552).

The spelling of 1670882 in words is "one million, six hundred seventy thousand, eight hundred eighty-two".