1684656248 has 32 divisors (see below), whose sum is σ = 3455343360. Its totient is φ = 763651680.

The previous prime is 1684656227. The next prime is 1684656271. The reversal of 1684656248 is 8426564861.

It is a junction number, because it is equal to n+sod(n) for n = 1684656196 and 1684656205.

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, 6215 + ... + 58377.

It is an arithmetic number, because the mean of its divisors is an integer number (107979480).

Almost surely, 2^1684656248 is an apocalyptic number.

It is an amenable number.

1684656248 is an abundant number, since it is smaller than the sum of its proper divisors (1770687112).

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

1684656248 is a wasteful number, since it uses less digits than its factorization.

1684656248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52547 (or 52543 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 1684656248 is about 41044.5641711543. The cubic root of 1684656248 is about 1189.8816463043.

The spelling of 1684656248 in words is "one billion, six hundred eighty-four million, six hundred fifty-six thousand, two hundred forty-eight".