689099434 has 8 divisors (see below), whose sum is σ = 1066992768. Its totient is φ = 333435180.

The previous prime is 689099413. The next prime is 689099443. The reversal of 689099434 is 434990986.

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

It is an unprimeable number.

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, 5557192 + ... + 5557315.

It is an arithmetic number, because the mean of its divisors is an integer number (133374096).

Almost surely, 2^689099434 is an apocalyptic number.

689099434 is a deficient number, since it is larger than the sum of its proper divisors (377893334).

689099434 is a wasteful number, since it uses less digits than its factorization.

689099434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114540.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 689099434 is about 26250.7034953351. The cubic root of 689099434 is about 883.2709851647.

The spelling of 689099434 in words is "six hundred eighty-nine million, ninety-nine thousand, four hundred thirty-four".