684498696 has 64 divisors (see below), whose sum is σ = 1957737600. Its totient is φ = 195368448.

The previous prime is 684498691. The next prime is 684498701. The reversal of 684498696 is 696894486.

It is an interprime number because it is at equal distance from previous prime (684498691) and next prime (684498701).

It is not an unprimeable number, because it can be changed into a prime (684498691) 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 15 ways as a sum of consecutive naturals, for example, 249460 + ... + 252188.

It is an arithmetic number, because the mean of its divisors is an integer number (30589650).

Almost surely, 2^684498696 is an apocalyptic number.

It is an amenable number.

684498696 is an abundant number, since it is smaller than the sum of its proper divisors (1273238904).

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

684498696 is a wasteful number, since it uses less digits than its factorization.

684498696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238 (or 4234 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 60.

The square root of 684498696 is about 26162.9259831541. The cubic root of 684498696 is about 881.3008893303.

The spelling of 684498696 in words is "six hundred eighty-four million, four hundred ninety-eight thousand, six hundred ninety-six".