99182813 has 8 divisors (see below), whose sum is σ = 105106680. Its totient is φ = 93425920.

The previous prime is 99182789. The next prime is 99182819. The reversal of 99182813 is 31828199.

It can be written as a sum of positive squares in 4 ways, for example, as 1923769 + 97259044 = 1387^2 + 9862^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 99182813 - 2⁶ = 99182749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99182819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40520 + ... + 42897.

It is an arithmetic number, because the mean of its divisors is an integer number (13138335).

Almost surely, 2^99182813 is an apocalyptic number.

It is an amenable number.

99182813 is a deficient number, since it is larger than the sum of its proper divisors (5923867).

99182813 is a wasteful number, since it uses less digits than its factorization.

99182813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83487.

The product of its digits is 31104, while the sum is 41.

The square root of 99182813 is about 9959.0568328532. The cubic root of 99182813 is about 462.8910749242.

The spelling of 99182813 in words is "ninety-nine million, one hundred eighty-two thousand, eight hundred thirteen".