99865476 has 72 divisors (see below), whose sum is σ = 259459200. Its totient is φ = 32376960.

The previous prime is 99865457. The next prime is 99865481. The reversal of 99865476 is 67456899.

99865476 is a `hidden beast` number, since 9 + 98 + 6 + 547 + 6 = 666.

It is a super-3 number, since 3×99865476³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227265 + ... + 227703.

It is an arithmetic number, because the mean of its divisors is an integer number (3603600).

Almost surely, 2^99865476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99865476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129729600).

99865476 is an abundant number, since it is smaller than the sum of its proper divisors (159593724).

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

99865476 is a wasteful number, since it uses less digits than its factorization.

99865476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 604 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 99865476 is about 9993.2715363889. The cubic root of 99865476 is about 463.9506549289.

The spelling of 99865476 in words is "ninety-nine million, eight hundred sixty-five thousand, four hundred seventy-six".