689215248 has 120 divisors (see below), whose sum is σ = 1996184736. Its totient is φ = 221836800.

The previous prime is 689215231. The next prime is 689215273. The reversal of 689215248 is 842512986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 631183 + ... + 632273.

Almost surely, 2^689215248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689215248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998092368).

689215248 is an abundant number, since it is smaller than the sum of its proper divisors (1306969488).

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

689215248 is a wasteful number, since it uses less digits than its factorization.

689215248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1244 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 689215248 is about 26252.9093244920. The cubic root of 689215248 is about 883.3204649207.

The spelling of 689215248 in words is "six hundred eighty-nine million, two hundred fifteen thousand, two hundred forty-eight".