99856486 has 8 divisors (see below), whose sum is σ = 149913864. Its totient is φ = 49885200.

The previous prime is 99856469. The next prime is 99856489. The reversal of 99856486 is 68465899.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99856489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18540 + ... + 23311.

It is an arithmetic number, because the mean of its divisors is an integer number (18739233).

Almost surely, 2^99856486 is an apocalyptic number.

99856486 is a deficient number, since it is larger than the sum of its proper divisors (50057378).

99856486 is a wasteful number, since it uses less digits than its factorization.

99856486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43046.

The product of its digits is 3732480, while the sum is 55.

The square root of 99856486 is about 9992.8217236174. The cubic root of 99856486 is about 463.9367327283.

It can be divided in two parts, 9985 and 6486, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 99856486 in words is "ninety-nine million, eight hundred fifty-six thousand, four hundred eighty-six".