689487246 has 48 divisors (see below), whose sum is σ = 1708777824. Its totient is φ = 196826112.

The previous prime is 689487223. The next prime is 689487247. The reversal of 689487246 is 642784986.

689487246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×689487246³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 689487192 and 689487201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689487247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252786 + ... + 255498.

It is an arithmetic number, because the mean of its divisors is an integer number (35599538).

Almost surely, 2^689487246 is an apocalyptic number.

689487246 is an abundant number, since it is smaller than the sum of its proper divisors (1019290578).

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

689487246 is a wasteful number, since it uses less digits than its factorization.

689487246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745 (or 4742 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 689487246 is about 26258.0891536304. The cubic root of 689487246 is about 883.4366501043.

The spelling of 689487246 in words is "six hundred eighty-nine million, four hundred eighty-seven thousand, two hundred forty-six".