689095407 has 32 divisors (see below), whose sum is σ = 1233630720. Its totient is φ = 330433920.

The previous prime is 689095333. The next prime is 689095447. The reversal of 689095407 is 704590986.

689095407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 689095407 - 2¹⁶ = 689029871 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689095447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111732 + ... + 117737.

It is an arithmetic number, because the mean of its divisors is an integer number (38550960).

Almost surely, 2^689095407 is an apocalyptic number.

689095407 is a deficient number, since it is larger than the sum of its proper divisors (544535313).

689095407 is a wasteful number, since it uses less digits than its factorization.

689095407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229503.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 689095407 is about 26250.6267925168. The cubic root of 689095407 is about 883.2692645909.

The spelling of 689095407 in words is "six hundred eighty-nine million, ninety-five thousand, four hundred seven".