99908019 has 32 divisors (see below), whose sum is σ = 151421760. Its totient is φ = 65090304.

The previous prime is 99907999. The next prime is 99908027. The reversal of 99908019 is 91080999.

It is not a de Polignac number, because 99908019 - 2⁸ = 99907763 is a prime.

It is a super-2 number, since 2×99908019² = 19963224521008722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99908119) 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 31 ways as a sum of consecutive naturals, for example, 340837 + ... + 341129.

It is an arithmetic number, because the mean of its divisors is an integer number (4731930).

Almost surely, 2^99908019 is an apocalyptic number.

99908019 is a deficient number, since it is larger than the sum of its proper divisors (51513741).

99908019 is a wasteful number, since it uses less digits than its factorization.

99908019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The square root of 99908019 is about 9995.3998919503. The cubic root of 99908019 is about 464.0165270446.

The spelling of 99908019 in words is "ninety-nine million, nine hundred eight thousand, nineteen".