684174046 has 4 divisors (see below), whose sum is σ = 1026261072. Its totient is φ = 342087022.

The previous prime is 684174013. The next prime is 684174047. The reversal of 684174046 is 640471486.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684174047) by changing a digit.

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, 171043510 + ... + 171043513.

It is an arithmetic number, because the mean of its divisors is an integer number (256565268).

Almost surely, 2^684174046 is an apocalyptic number.

684174046 is a deficient number, since it is larger than the sum of its proper divisors (342087026).

684174046 is a wasteful number, since it uses less digits than its factorization.

684174046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342087025.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 684174046 is about 26156.7208571717. The cubic root of 684174046 is about 881.1615369444.

The spelling of 684174046 in words is "six hundred eighty-four million, one hundred seventy-four thousand, forty-six".