684260252 has 24 divisors (see below), whose sum is σ = 1299734016. Its totient is φ = 313322688.

The previous prime is 684260207. The next prime is 684260267. The reversal of 684260252 is 252062486.

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, 45203 + ... + 58410.

It is an arithmetic number, because the mean of its divisors is an integer number (54155584).

Almost surely, 2^684260252 is an apocalyptic number.

It is an amenable number.

684260252 is a deficient number, since it is larger than the sum of its proper divisors (615473764).

684260252 is a wasteful number, since it uses less digits than its factorization.

684260252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103757 (or 103755 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 684260252 is about 26158.3686800228. The cubic root of 684260252 is about 881.1985442048.

The spelling of 684260252 in words is "six hundred eighty-four million, two hundred sixty thousand, two hundred fifty-two".