689249000 has 64 divisors (see below), whose sum is σ = 1759492800. Its totient is φ = 250632000.

The previous prime is 689248999. The next prime is 689249023. The reversal of 689249000 is 942986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20330 + ... + 42329.

It is an arithmetic number, because the mean of its divisors is an integer number (27492075).

Almost surely, 2^689249000 is an apocalyptic number.

It is an amenable number.

689249000 is an abundant number, since it is smaller than the sum of its proper divisors (1070243800).

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

689249000 is a wasteful number, since it uses less digits than its factorization.

689249000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62691 (or 62677 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 689249000 is about 26253.5521406152. The cubic root of 689249000 is about 883.3348839022.

The spelling of 689249000 in words is "six hundred eighty-nine million, two hundred forty-nine thousand".