684829474 has 8 divisors (see below), whose sum is σ = 1173993408. Its totient is φ = 293498340.

The previous prime is 684829471. The next prime is 684829499. The reversal of 684829474 is 474928486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (684829471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24458182 + ... + 24458209.

It is an arithmetic number, because the mean of its divisors is an integer number (146749176).

Almost surely, 2^684829474 is an apocalyptic number.

684829474 is a deficient number, since it is larger than the sum of its proper divisors (489163934).

684829474 is a wasteful number, since it uses less digits than its factorization.

684829474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48916400.

The product of its digits is 3096576, while the sum is 52.

The square root of 684829474 is about 26169.2467220591. The cubic root of 684829474 is about 881.4428267815.

The spelling of 684829474 in words is "six hundred eighty-four million, eight hundred twenty-nine thousand, four hundred seventy-four".