89416391 has 6 divisors (see below), whose sum is σ = 90775440. Its totient is φ = 88077396.

The previous prime is 89416363. The next prime is 89416399. The reversal of 89416391 is 19361498.

It is not a de Polignac number, because 89416391 - 2¹⁰ = 89415367 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 (89416399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5471 + ... + 14448.

It is an arithmetic number, because the mean of its divisors is an integer number (15129240).

Almost surely, 2^89416391 is an apocalyptic number.

89416391 is a deficient number, since it is larger than the sum of its proper divisors (1359049).

89416391 is an equidigital number, since it uses as much as digits as its factorization.

89416391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20053 (or 19986 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 89416391 is about 9456.0240587680. The cubic root of 89416391 is about 447.1697110271.

The spelling of 89416391 in words is "eighty-nine million, four hundred sixteen thousand, three hundred ninety-one".