89439099 has 16 divisors (see below), whose sum is σ = 125836800. Its totient is φ = 56349216.

The previous prime is 89439083. The next prime is 89439107. The reversal of 89439099 is 99093498.

It is not a de Polignac number, because 89439099 - 2⁴ = 89439083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89439079) 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, 24697 + ... + 28085.

It is an arithmetic number, because the mean of its divisors is an integer number (7864800).

Almost surely, 2^89439099 is an apocalyptic number.

89439099 is a deficient number, since it is larger than the sum of its proper divisors (36397701).

89439099 is a wasteful number, since it uses less digits than its factorization.

89439099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874.

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 89439099 is about 9457.2246986101. The cubic root of 89439099 is about 447.2075619186.

It can be divided in two parts, 894 and 39099, that added together give a palindrome (39993).

The spelling of 89439099 in words is "eighty-nine million, four hundred thirty-nine thousand, ninety-nine".