1682431 has 8 divisors (see below), whose sum is σ = 1796720. Its totient is φ = 1570752.

The previous prime is 1682423. The next prime is 1682449. The reversal of 1682431 is 1342861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1682431 - 2³ = 1682423 is a prime.

It is a super-2 number, since 2×1682431² = 5661148139522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1682396 and 1682405.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781 + ... + 1993.

It is an arithmetic number, because the mean of its divisors is an integer number (224590).

2^1682431 is an apocalyptic number.

1682431 is a deficient number, since it is larger than the sum of its proper divisors (114289).

1682431 is a wasteful number, since it uses less digits than its factorization.

1682431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305.

The product of its digits is 1152, while the sum is 25.

The square root of 1682431 is about 1297.0855792892. The cubic root of 1682431 is about 118.9357513973.

The spelling of 1682431 in words is "one million, six hundred eighty-two thousand, four hundred thirty-one".