689580354 has 8 divisors (see below), whose sum is σ = 1379160720. Its totient is φ = 229860116.

The previous prime is 689580347. The next prime is 689580371. The reversal of 689580354 is 453085986.

It is a happy number.

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

689580354 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57465024 + ... + 57465035.

It is an arithmetic number, because the mean of its divisors is an integer number (172395090).

Almost surely, 2^689580354 is an apocalyptic number.

689580354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689580354 is a wasteful number, since it uses less digits than its factorization.

689580354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114930064.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 689580354 is about 26259.8620331486. The cubic root of 689580354 is about 883.4764145901.

The spelling of 689580354 in words is "six hundred eighty-nine million, five hundred eighty thousand, three hundred fifty-four".