682648444 has 24 divisors (see below), whose sum is σ = 1207710000. Its totient is φ = 337598976.

The previous prime is 682648433. The next prime is 682648451. The reversal of 682648444 is 444846286.

It is a super-2 number, since 2×682648444² = 932017796191242272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 682648394 and 682648403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533934 + ... + 535210.

It is an arithmetic number, because the mean of its divisors is an integer number (50321250).

Almost surely, 2^682648444 is an apocalyptic number.

It is an amenable number.

682648444 is a deficient number, since it is larger than the sum of its proper divisors (525061556).

682648444 is a wasteful number, since it uses less digits than its factorization.

682648444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637 (or 2635 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 46.

The square root of 682648444 is about 26127.5418667735. The cubic root of 682648444 is about 880.5060983439.

The spelling of 682648444 in words is "six hundred eighty-two million, six hundred forty-eight thousand, four hundred forty-four".