96839809 has 6 divisors (see below), whose sum is σ = 106443890. Its totient is φ = 88036080.

The previous prime is 96839807. The next prime is 96839839. The reversal of 96839809 is 90893869.

It can be written as a sum of positive squares in only one way, i.e., 87011584 + 9828225 = 9328^2 + 3135^2 .

It is not a de Polignac number, because 96839809 - 2¹ = 96839807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96839801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400044 + ... + 400285.

Almost surely, 2^96839809 is an apocalyptic number.

It is an amenable number.

96839809 is a deficient number, since it is larger than the sum of its proper divisors (9604081).

96839809 is a wasteful number, since it uses less digits than its factorization.

96839809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800351 (or 800340 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 96839809 is about 9840.7219755463. The cubic root of 96839809 is about 459.2170186792.

The spelling of 96839809 in words is "ninety-six million, eight hundred thirty-nine thousand, eight hundred nine".