689048262 has 128 divisors (see below), whose sum is σ = 1892582400. Its totient is φ = 181398528.

The previous prime is 689048257. The next prime is 689048263. The reversal of 689048262 is 262840986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689048263) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 264438 + ... + 267030.

It is an arithmetic number, because the mean of its divisors is an integer number (14785800).

Almost surely, 2^689048262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689048262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946291200).

689048262 is an abundant number, since it is smaller than the sum of its proper divisors (1203534138).

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

689048262 is a wasteful number, since it uses less digits than its factorization.

689048262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 689048262 is about 26249.7287985990. The cubic root of 689048262 is about 883.2491209462.

The spelling of 689048262 in words is "six hundred eighty-nine million, forty-eight thousand, two hundred sixty-two".