689430848 has 28 divisors (see below), whose sum is σ = 1381647732. Its totient is φ = 341299200.

The previous prime is 689430799. The next prime is 689430857. The reversal of 689430848 is 848034986.

It can be written as a sum of positive squares in 2 ways, for example, as 654950464 + 34480384 = 25592^2 + 5872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 689430796 and 689430805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46865 + ... + 59792.

Almost surely, 2^689430848 is an apocalyptic number.

It is an amenable number.

689430848 is an abundant number, since it is smaller than the sum of its proper divisors (692216884).

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

689430848 is a wasteful number, since it uses less digits than its factorization.

689430848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106770 (or 106760 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 689430848 is about 26257.0152149859. The cubic root of 689430848 is about 883.4125619533.

The spelling of 689430848 in words is "six hundred eighty-nine million, four hundred thirty thousand, eight hundred forty-eight".