689482623 has 4 divisors (see below), whose sum is σ = 919310168. Its totient is φ = 459655080.

The previous prime is 689482579. The next prime is 689482643. The reversal of 689482623 is 326284986.

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

It is not a de Polignac number, because 689482623 - 2²⁸ = 421047167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689482643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114913768 + ... + 114913773.

It is an arithmetic number, because the mean of its divisors is an integer number (229827542).

Almost surely, 2^689482623 is an apocalyptic number.

689482623 is a deficient number, since it is larger than the sum of its proper divisors (229827545).

689482623 is a wasteful number, since it uses less digits than its factorization.

689482623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229827544.

The product of its digits is 995328, while the sum is 48.

The square root of 689482623 is about 26258.0011234671. The cubic root of 689482623 is about 883.4346756241.

The spelling of 689482623 in words is "six hundred eighty-nine million, four hundred eighty-two thousand, six hundred twenty-three".