689469260 has 12 divisors (see below), whose sum is σ = 1447885488. Its totient is φ = 275787696.

The previous prime is 689469259. The next prime is 689469269. The reversal of 689469260 is 62964986.

It is a junction number, because it is equal to n+sod(n) for n = 689469199 and 689469208.

It is not an unprimeable number, because it can be changed into a prime (689469269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17236712 + ... + 17236751.

It is an arithmetic number, because the mean of its divisors is an integer number (120657124).

Almost surely, 2^689469260 is an apocalyptic number.

It is an amenable number.

689469260 is an abundant number, since it is smaller than the sum of its proper divisors (758416228).

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

689469260 is a wasteful number, since it uses less digits than its factorization.

689469260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34473472 (or 34473470 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 689469260 is about 26257.7466664602. The cubic root of 689469260 is about 883.4289682462.

The spelling of 689469260 in words is "six hundred eighty-nine million, four hundred sixty-nine thousand, two hundred sixty".