689006048 has 12 divisors (see below), whose sum is σ = 1356480720. Its totient is φ = 344503008.

The previous prime is 689006033. The next prime is 689006051. The reversal of 689006048 is 840600986.

It is a junction number, because it is equal to n+sod(n) for n = 689005996 and 689006014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10765688 + ... + 10765751.

It is an arithmetic number, because the mean of its divisors is an integer number (113040060).

Almost surely, 2^689006048 is an apocalyptic number.

It is an amenable number.

689006048 is a deficient number, since it is larger than the sum of its proper divisors (667474672).

689006048 is a wasteful number, since it uses less digits than its factorization.

689006048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21531449 (or 21531441 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 689006048 is about 26248.9247017854. The cubic root of 689006048 is about 883.2310833902.

The spelling of 689006048 in words is "six hundred eighty-nine million, six thousand, forty-eight".