99439070 has 8 divisors (see below), whose sum is σ = 178990344. Its totient is φ = 39775624.

The previous prime is 99439049. The next prime is 99439073. The reversal of 99439070 is 7093499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99439073) 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 3 ways as a sum of consecutive naturals, for example, 4971944 + ... + 4971963.

It is an arithmetic number, because the mean of its divisors is an integer number (22373793).

Almost surely, 2^99439070 is an apocalyptic number.

99439070 is a deficient number, since it is larger than the sum of its proper divisors (79551274).

99439070 is a wasteful number, since it uses less digits than its factorization.

99439070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943914.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 99439070 is about 9971.9140589959. The cubic root of 99439070 is about 463.2893867652.

The spelling of 99439070 in words is "ninety-nine million, four hundred thirty-nine thousand, seventy".