99439067 has 16 divisors (see below), whose sum is σ = 124071360. Its totient is φ = 77594112.

The previous prime is 99439049. The next prime is 99439073. The reversal of 99439067 is 76093499.

It is a cyclic number.

It is not a de Polignac number, because 99439067 - 2⁶ = 99439003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99439007) 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 15 ways as a sum of consecutive naturals, for example, 842 + ... + 14127.

It is an arithmetic number, because the mean of its divisors is an integer number (7754460).

Almost surely, 2^99439067 is an apocalyptic number.

99439067 is a deficient number, since it is larger than the sum of its proper divisors (24632293).

99439067 is a wasteful number, since it uses less digits than its factorization.

99439067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15062.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 99439067 is about 9971.9139085734. The cubic root of 99439067 is about 463.2893821061.

The spelling of 99439067 in words is "ninety-nine million, four hundred thirty-nine thousand, sixty-seven".