1682738 has 4 divisors (see below), whose sum is σ = 2524110. Its totient is φ = 841368.

The previous prime is 1682717. The next prime is 1682753. The reversal of 1682738 is 8372861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8372861 = 7 ⋅1196123.

It can be written as a sum of positive squares in only one way, i.e., 1682209 + 529 = 1297^2 + 23^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1682698 and 1682707.

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, 420683 + ... + 420686.

2^1682738 is an apocalyptic number.

1682738 is a deficient number, since it is larger than the sum of its proper divisors (841372).

1682738 is an equidigital number, since it uses as much as digits as its factorization.

1682738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841371.

The product of its digits is 16128, while the sum is 35.

The square root of 1682738 is about 1297.2039161211. The cubic root of 1682738 is about 118.9429851868.

The spelling of 1682738 in words is "one million, six hundred eighty-two thousand, seven hundred thirty-eight".