1682426 has 4 divisors (see below), whose sum is σ = 2523642. Its totient is φ = 841212.

The previous prime is 1682423. The next prime is 1682449. The reversal of 1682426 is 6242861.

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., 874225 + 808201 = 935^2 + 899^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1682423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420605 + ... + 420608.

2^1682426 is an apocalyptic number.

1682426 is a deficient number, since it is larger than the sum of its proper divisors (841216).

1682426 is an equidigital number, since it uses as much as digits as its factorization.

1682426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841215.

The product of its digits is 4608, while the sum is 29.

The square root of 1682426 is about 1297.0836518899. The cubic root of 1682426 is about 118.9356335758.

The spelling of 1682426 in words is "one million, six hundred eighty-two thousand, four hundred twenty-six".