689223733 has 8 divisors (see below), whose sum is σ = 762181056. Its totient is φ = 617983200.

The previous prime is 689223709. The next prime is 689223749. The reversal of 689223733 is 337322986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 689223733 - 2²⁹ = 152352821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 689223733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689223533) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 428353 + ... + 429958.

It is an arithmetic number, because the mean of its divisors is an integer number (95272632).

Almost surely, 2^689223733 is an apocalyptic number.

It is an amenable number.

689223733 is a deficient number, since it is larger than the sum of its proper divisors (72957323).

689223733 is a wasteful number, since it uses less digits than its factorization.

689223733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858395.

The product of its digits is 326592, while the sum is 43.

The square root of 689223733 is about 26253.0709251318. The cubic root of 689223733 is about 883.3240897890.

It can be divided in two parts, 6892 and 23733, that added together give a square (30625 = 175²).

The spelling of 689223733 in words is "six hundred eighty-nine million, two hundred twenty-three thousand, seven hundred thirty-three".