683481 has 4 divisors (see below), whose sum is σ = 911312. Its totient is φ = 455652.

The previous prime is 683479. The next prime is 683483. The reversal of 683481 is 184386.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (683479) and next prime (683483).

It is not a de Polignac number, because 683481 - 2¹ = 683479 is a prime.

It is a super-2 number, since 2×683481² = 934292554722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 683481.

It is not an unprimeable number, because it can be changed into a prime (683483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113911 + ... + 113916.

It is an arithmetic number, because the mean of its divisors is an integer number (227828).

2⁶⁸³⁴⁸¹ is an apocalyptic number.

It is an amenable number.

683481 is a deficient number, since it is larger than the sum of its proper divisors (227831).

683481 is a wasteful number, since it uses less digits than its factorization.

683481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227830.

The product of its digits is 4608, while the sum is 30.

The square root of 683481 is about 826.7290971050. The cubic root of 683481 is about 88.0863907124.

The spelling of 683481 in words is "six hundred eighty-three thousand, four hundred eighty-one".