683431 has 8 divisors (see below), whose sum is σ = 790560. Its totient is φ = 578688.

The previous prime is 683407. The next prime is 683437. The reversal of 683431 is 134386.

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 683431 - 2⁷ = 683303 is a prime.

It is a super-2 number, since 2×683431² = 934155863522, which contains 22 as substring.

It is a Duffinian number.

683431 is a lucky number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 683396 and 683405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683437) 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, 75 + ... + 1171.

It is an arithmetic number, because the mean of its divisors is an integer number (98820).

2⁶⁸³⁴³¹ is an apocalyptic number.

683431 is a deficient number, since it is larger than the sum of its proper divisors (107129).

683431 is a wasteful number, since it uses less digits than its factorization.

683431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193.

The product of its digits is 1728, while the sum is 25.

The square root of 683431 is about 826.6988569001. The cubic root of 683431 is about 88.0842426756.

The spelling of 683431 in words is "six hundred eighty-three thousand, four hundred thirty-one".