688046322 has 16 divisors (see below), whose sum is σ = 1386598752. Its totient is φ = 227597760.

The previous prime is 688046299. The next prime is 688046329. The reversal of 688046322 is 223640886.

It is not an unprimeable number, because it can be changed into a prime (688046329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436903 + ... + 438474.

It is an arithmetic number, because the mean of its divisors is an integer number (86662422).

Almost surely, 2^688046322 is an apocalyptic number.

688046322 is an abundant number, since it is smaller than the sum of its proper divisors (698552430).

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

688046322 is a wasteful number, since it uses less digits than its factorization.

688046322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875513.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 688046322 is about 26230.6370871925. The cubic root of 688046322 is about 882.8208045959.

The spelling of 688046322 in words is "six hundred eighty-eight million, forty-six thousand, three hundred twenty-two".