684473496 has 32 divisors (see below), whose sum is σ = 1955639040. Its totient is φ = 195563808.

The previous prime is 684473479. The next prime is 684473501. The reversal of 684473496 is 694374486.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2036956 + ... + 2037291.

It is an arithmetic number, because the mean of its divisors is an integer number (61113720).

Almost surely, 2^684473496 is an apocalyptic number.

It is an amenable number.

684473496 is an abundant number, since it is smaller than the sum of its proper divisors (1271165544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

684473496 is a wasteful number, since it uses less digits than its factorization.

684473496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074263 (or 4074259 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The square root of 684473496 is about 26162.4443812118. Note that the first 3 decimals coincide. The cubic root of 684473496 is about 881.2900740893.

The spelling of 684473496 in words is "six hundred eighty-four million, four hundred seventy-three thousand, four hundred ninety-six".