682385944 has 8 divisors (see below), whose sum is σ = 1279473660. Its totient is φ = 341192968.

The previous prime is 682385927. The next prime is 682385947. The reversal of 682385944 is 449583286.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×682385944² = 931301153137542272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682385947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42649114 + ... + 42649129.

Almost surely, 2^682385944 is an apocalyptic number.

It is an amenable number.

682385944 is a deficient number, since it is larger than the sum of its proper divisors (597087716).

682385944 is a wasteful number, since it uses less digits than its factorization.

682385944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85298249 (or 85298245 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 682385944 is about 26122.5179490799. The cubic root of 682385944 is about 880.3932230247.

The spelling of 682385944 in words is "six hundred eighty-two million, three hundred eighty-five thousand, nine hundred forty-four".