89439199 has 4 divisors (see below), whose sum is σ = 89779536. Its totient is φ = 89098864.

The previous prime is 89439173. The next prime is 89439211. The reversal of 89439199 is 99193498.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89439199 - 2¹¹ = 89437151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89439149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169774 + ... + 170299.

It is an arithmetic number, because the mean of its divisors is an integer number (22444884).

Almost surely, 2^89439199 is an apocalyptic number.

89439199 is a deficient number, since it is larger than the sum of its proper divisors (340337).

89439199 is a wasteful number, since it uses less digits than its factorization.

89439199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340336.

The product of its digits is 629856, while the sum is 52.

The square root of 89439199 is about 9457.2299855719. The cubic root of 89439199 is about 447.2077285897.

The spelling of 89439199 in words is "eighty-nine million, four hundred thirty-nine thousand, one hundred ninety-nine".