99081344 has 16 divisors (see below), whose sum is σ = 197388870. Its totient is φ = 49540608.

The previous prime is 99081341. The next prime is 99081361. The reversal of 99081344 is 44318099.

It can be written as a sum of positive squares in only one way, i.e., 62599744 + 36481600 = 7912^2 + 6040^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×99081344² = 19634225457692672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99081298 and 99081307.

It is not an unprimeable number, because it can be changed into a prime (99081341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386909 + ... + 387164.

Almost surely, 2^99081344 is an apocalyptic number.

It is an amenable number.

99081344 is a deficient number, since it is larger than the sum of its proper divisors (98307526).

99081344 is an equidigital number, since it uses as much as digits as its factorization.

99081344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774087 (or 774075 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 99081344 is about 9953.9612215439. The cubic root of 99081344 is about 462.7331674554.

The spelling of 99081344 in words is "ninety-nine million, eighty-one thousand, three hundred forty-four".