989855695 has 8 divisors (see below), whose sum is σ = 1228786560. Its totient is φ = 764578080.

The previous prime is 989855689. The next prime is 989855707. The reversal of 989855695 is 596558989.

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

It is not a de Polignac number, because 989855695 - 2¹⁷ = 989724623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3413151 + ... + 3413440.

It is an arithmetic number, because the mean of its divisors is an integer number (153598320).

Almost surely, 2^989855695 is an apocalyptic number.

989855695 is a deficient number, since it is larger than the sum of its proper divisors (238930865).

989855695 is a wasteful number, since it uses less digits than its factorization.

989855695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6826625.

The product of its digits is 34992000, while the sum is 64.

The square root of 989855695 is about 31461.9722045520. The cubic root of 989855695 is about 996.6070660188.

The spelling of 989855695 in words is "nine hundred eighty-nine million, eight hundred fifty-five thousand, six hundred ninety-five".