1682538 has 64 divisors (see below), whose sum is σ = 4136832. Its totient is φ = 449280.

The previous prime is 1682537. The next prime is 1682539. The reversal of 1682538 is 8352861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1682537) and next prime (1682539).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1682499 and 1682508.

It is not an unprimeable number, because it can be changed into a prime (1682531) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 31720 + ... + 31772.

It is an arithmetic number, because the mean of its divisors is an integer number (64638).

2^1682538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1682538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2068416).

1682538 is an abundant number, since it is smaller than the sum of its proper divisors (2454294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1682538 is a wasteful number, since it uses less digits than its factorization.

1682538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119.

The product of its digits is 11520, while the sum is 33.

The square root of 1682538 is about 1297.1268249481. The cubic root of 1682538 is about 118.9382727202.

The spelling of 1682538 in words is "one million, six hundred eighty-two thousand, five hundred thirty-eight".