682491343 has 4 divisors (see below), whose sum is σ = 718411960. Its totient is φ = 646570728.

The previous prime is 682491301. The next prime is 682491361. The reversal of 682491343 is 343194286.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682491343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 682491296 and 682491305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682411343) 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, 17960280 + ... + 17960317.

It is an arithmetic number, because the mean of its divisors is an integer number (179602990).

Almost surely, 2^682491343 is an apocalyptic number.

682491343 is a deficient number, since it is larger than the sum of its proper divisors (35920617).

682491343 is a wasteful number, since it uses less digits than its factorization.

682491343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35920616.

The product of its digits is 124416, while the sum is 40.

The square root of 682491343 is about 26124.5352685938. The cubic root of 682491343 is about 880.4385482003.

It can be divided in two parts, 68249134 and 3, that multiplied together give a palindrome (204747402).

The spelling of 682491343 in words is "six hundred eighty-two million, four hundred ninety-one thousand, three hundred forty-three".