8605689406 has 4 divisors (see below), whose sum is σ = 12908534112. Its totient is φ = 4302844702.

The previous prime is 8605689353. The next prime is 8605689409. The reversal of 8605689406 is 6049865068.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8605689409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2151422350 + ... + 2151422353.

It is an arithmetic number, because the mean of its divisors is an integer number (3227133528).

Almost surely, 2^8605689406 is an apocalyptic number.

8605689406 is a deficient number, since it is larger than the sum of its proper divisors (4302844706).

8605689406 is a wasteful number, since it uses less digits than its factorization.

8605689406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302844705.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 8605689406 is about 92766.8551046116. The cubic root of 8605689406 is about 2049.2513154209.

The spelling of 8605689406 in words is "eight billion, six hundred five million, six hundred eighty-nine thousand, four hundred six".