687969348 has 48 divisors (see below), whose sum is σ = 1753199616. Its totient is φ = 208236960.

The previous prime is 687969343. The next prime is 687969361. The reversal of 687969348 is 843969786.

It is a junction number, because it is equal to n+sod(n) for n = 687969291 and 687969300.

It is not an unprimeable number, because it can be changed into a prime (687969343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137865 + ... + 142767.

It is an arithmetic number, because the mean of its divisors is an integer number (36524992).

Almost surely, 2^687969348 is an apocalyptic number.

It is an amenable number.

687969348 is an abundant number, since it is smaller than the sum of its proper divisors (1065230268).

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

687969348 is a wasteful number, since it uses less digits than its factorization.

687969348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5984 (or 5982 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The square root of 687969348 is about 26229.1697924277. The cubic root of 687969348 is about 882.7878820146.

The spelling of 687969348 in words is "six hundred eighty-seven million, nine hundred sixty-nine thousand, three hundred forty-eight".