688995348 has 24 divisors (see below), whose sum is σ = 1609887552. Its totient is φ = 229346304.

The previous prime is 688995341. The next prime is 688995353. The reversal of 688995348 is 843599886.

It is a happy number.

It is a super-2 number, since 2×688995348² = 949429179131282208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 688995291 and 688995300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688995341) 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, 30765 + ... + 48212.

It is an arithmetic number, because the mean of its divisors is an integer number (67078648).

Almost surely, 2^688995348 is an apocalyptic number.

It is an amenable number.

688995348 is an abundant number, since it is smaller than the sum of its proper divisors (920892204).

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

688995348 is a wasteful number, since it uses less digits than its factorization.

688995348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79711 (or 79709 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The square root of 688995348 is about 26248.7208831211. The cubic root of 688995348 is about 883.2265112864.

It can be divided in two parts, 68899 and 5348, that added together give a palindrome (74247).

The spelling of 688995348 in words is "six hundred eighty-eight million, nine hundred ninety-five thousand, three hundred forty-eight".