1682042 has 4 divisors (see below), whose sum is σ = 2523066. Its totient is φ = 841020.

The previous prime is 1682017. The next prime is 1682047. The reversal of 1682042 is 2402861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2402861 = 53 ⋅45337.

It can be written as a sum of positive squares in only one way, i.e., 978121 + 703921 = 989^2 + 839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1681999 and 1682017.

It is not an unprimeable number, because it can be changed into a prime (1682047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420509 + ... + 420512.

2^1682042 is an apocalyptic number.

1682042 is a deficient number, since it is larger than the sum of its proper divisors (841024).

1682042 is an equidigital number, since it uses as much as digits as its factorization.

1682042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841023.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1682042 is about 1296.9356190652. The cubic root of 1682042 is about 118.9265841915.

The spelling of 1682042 in words is "one million, six hundred eighty-two thousand, forty-two".