682339981 has 8 divisors (see below), whose sum is σ = 688268160. Its totient is φ = 676437888.

The previous prime is 682339969. The next prime is 682339997. The reversal of 682339981 is 189933286.

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 682339981 - 2¹³ = 682331789 is a prime.

It is a super-2 number, since 2×682339981² = 931175699342160722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682330981) 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, 47965 + ... + 60541.

It is an arithmetic number, because the mean of its divisors is an integer number (86033520).

Almost surely, 2^682339981 is an apocalyptic number.

It is an amenable number.

682339981 is a deficient number, since it is larger than the sum of its proper divisors (5928179).

682339981 is a wasteful number, since it uses less digits than its factorization.

682339981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13043.

The product of its digits is 559872, while the sum is 49.

The square root of 682339981 is about 26121.6381760410. The cubic root of 682339981 is about 880.3734559009.

The spelling of 682339981 in words is "six hundred eighty-two million, three hundred thirty-nine thousand, nine hundred eighty-one".