688386050 has 48 divisors (see below), whose sum is σ = 1444996800. Its totient is φ = 241684800.

The previous prime is 688386043. The next prime is 688386071. The reversal of 688386050 is 50683886.

It is a junction number, because it is equal to n+sod(n) for n = 688385992 and 688386010.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5630 + ... + 37529.

It is an arithmetic number, because the mean of its divisors is an integer number (30104100).

Almost surely, 2^688386050 is an apocalyptic number.

688386050 is an abundant number, since it is smaller than the sum of its proper divisors (756610750).

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

688386050 is a wasteful number, since it uses less digits than its factorization.

688386050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43211 (or 43206 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 688386050 is about 26237.1120743118. The cubic root of 688386050 is about 882.9660804724.

The spelling of 688386050 in words is "six hundred eighty-eight million, three hundred eighty-six thousand, fifty".