684452848 has 10 divisors (see below), whose sum is σ = 1326127424. Its totient is φ = 342226416.

The previous prime is 684452803. The next prime is 684452921. The reversal of 684452848 is 848254486.

It is a super-2 number, since 2×684452848² = 936951402270622208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21389136 + ... + 21389167.

Almost surely, 2^684452848 is an apocalyptic number.

It is an amenable number.

684452848 is a deficient number, since it is larger than the sum of its proper divisors (641674576).

684452848 is a wasteful number, since it uses less digits than its factorization.

684452848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42778311 (or 42778305 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 49.

The square root of 684452848 is about 26162.0497667901. The cubic root of 684452848 is about 881.2812122607.

The spelling of 684452848 in words is "six hundred eighty-four million, four hundred fifty-two thousand, eight hundred forty-eight".