1682631 has 6 divisors (see below), whose sum is σ = 2430480. Its totient is φ = 1121748.

The previous prime is 1682627. The next prime is 1682663. The reversal of 1682631 is 1362861.

It is not a de Polignac number, because 1682631 - 2² = 1682627 is a prime.

It is a super-2 number, since 2×1682631² = 5662494164322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1682595 and 1682604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93471 + ... + 93488.

It is an arithmetic number, because the mean of its divisors is an integer number (405080).

2^1682631 is an apocalyptic number.

1682631 is a deficient number, since it is larger than the sum of its proper divisors (747849).

1682631 is a wasteful number, since it uses less digits than its factorization.

1682631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186965 (or 186962 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1682631 is about 1297.1626729135. The cubic root of 1682631 is about 118.9404640636.

The spelling of 1682631 in words is "one million, six hundred eighty-two thousand, six hundred thirty-one".