689854029 has 8 divisors (see below), whose sum is σ = 920231712. Its totient is φ = 459689520.

The previous prime is 689854021. The next prime is 689854127. The reversal of 689854029 is 920458986.

689854029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 689854029 - 2³ = 689854021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689854021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45582 + ... + 58799.

It is an arithmetic number, because the mean of its divisors is an integer number (115028964).

Almost surely, 2^689854029 is an apocalyptic number.

It is an amenable number.

689854029 is a deficient number, since it is larger than the sum of its proper divisors (230377683).

689854029 is a wasteful number, since it uses less digits than its factorization.

689854029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106587.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 689854029 is about 26265.0724156626. The cubic root of 689854029 is about 883.5932747585.

The spelling of 689854029 in words is "six hundred eighty-nine million, eight hundred fifty-four thousand, twenty-nine".