684850342 has 8 divisors (see below), whose sum is σ = 1120664232. Its totient is φ = 311295600.

The previous prime is 684850337. The next prime is 684850351. The reversal of 684850342 is 243058486.

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

It is a junction number, because it is equal to n+sod(n) for n = 684850295 and 684850304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15564759 + ... + 15564802.

It is an arithmetic number, because the mean of its divisors is an integer number (140083029).

Almost surely, 2^684850342 is an apocalyptic number.

684850342 is a deficient number, since it is larger than the sum of its proper divisors (435813890).

684850342 is a wasteful number, since it uses less digits than its factorization.

684850342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31129574.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 684850342 is about 26169.6454313007. The cubic root of 684850342 is about 881.4517797461.

The spelling of 684850342 in words is "six hundred eighty-four million, eight hundred fifty thousand, three hundred forty-two".