682817408 has 192 divisors, whose sum is σ = 1758324960. Its totient is φ = 257126400.

The previous prime is 682817407. The next prime is 682817413. The reversal of 682817408 is 804718286.

It is a super-2 number, since 2×682817408² = 932479225335676928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682817407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11193698 + ... + 11193758.

Almost surely, 2^682817408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 682817408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (879162480).

682817408 is an abundant number, since it is smaller than the sum of its proper divisors (1075507552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

682817408 is a wasteful number, since it uses less digits than its factorization.

682817408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 682817408 is about 26130.7751128817. The cubic root of 682817408 is about 880.5787377632.

The spelling of 682817408 in words is "six hundred eighty-two million, eight hundred seventeen thousand, four hundred eight".