99438282 has 24 divisors (see below), whose sum is σ = 219516804. Its totient is φ = 32520384.

The previous prime is 99438257. The next prime is 99438307. The reversal of 99438282 is 28283499.

It is an interprime number because it is at equal distance from previous prime (99438257) and next prime (99438307).

It can be written as a sum of positive squares in 2 ways, for example, as 93489561 + 5948721 = 9669^2 + 2439^2 .

It is a super-2 number, since 2×99438282² = 19775943854223048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51163 + ... + 53070.

Almost surely, 2^99438282 is an apocalyptic number.

99438282 is an abundant number, since it is smaller than the sum of its proper divisors (120078522).

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

99438282 is a wasteful number, since it uses less digits than its factorization.

99438282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104294 (or 104291 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 99438282 is about 9971.8745479473. The cubic root of 99438282 is about 463.2881629906.

It can be divided in two parts, 9943 and 8282, that added together give a square (18225 = 135²).

The spelling of 99438282 in words is "ninety-nine million, four hundred thirty-eight thousand, two hundred eighty-two".