99438363 has 12 divisors (see below), whose sum is σ = 145029040. Its totient is φ = 65648016.

The previous prime is 99438349. The next prime is 99438373. The reversal of 99438363 is 36383499.

It is not a de Polignac number, because 99438363 - 2⁸ = 99438107 is a prime.

It is a super-2 number, since 2×99438363² = 19775976072239538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99438373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52708 + ... + 54561.

Almost surely, 2^99438363 is an apocalyptic number.

99438363 is a deficient number, since it is larger than the sum of its proper divisors (45590677).

99438363 is a wasteful number, since it uses less digits than its factorization.

99438363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107378 (or 107375 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 99438363 is about 9971.8786093695. The cubic root of 99438363 is about 463.2882887850.

The spelling of 99438363 in words is "ninety-nine million, four hundred thirty-eight thousand, three hundred sixty-three".