689334467 has 4 divisors (see below), whose sum is σ = 690307440. Its totient is φ = 688361496.

The previous prime is 689334439. The next prime is 689334473. The reversal of 689334467 is 764433986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 689334467 - 2¹⁸ = 689072323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689334407) 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 3 ways as a sum of consecutive naturals, for example, 485423 + ... + 486840.

It is an arithmetic number, because the mean of its divisors is an integer number (172576860).

Almost surely, 2^689334467 is an apocalyptic number.

689334467 is a deficient number, since it is larger than the sum of its proper divisors (972973).

689334467 is an equidigital number, since it uses as much as digits as its factorization.

689334467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972972.

The product of its digits is 2612736, while the sum is 50.

The square root of 689334467 is about 26255.1798127531. The cubic root of 689334467 is about 883.3713936213.

The spelling of 689334467 in words is "six hundred eighty-nine million, three hundred thirty-four thousand, four hundred sixty-seven".