96639609 has 16 divisors (see below), whose sum is σ = 141039360. Its totient is φ = 58372560.

The previous prime is 96639607. The next prime is 96639637. The reversal of 96639609 is 90693669.

It is not a de Polignac number, because 96639609 - 2¹ = 96639607 is a prime.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (96639607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5362 + ... + 14900.

It is an arithmetic number, because the mean of its divisors is an integer number (8814960).

Almost surely, 2^96639609 is an apocalyptic number.

It is an amenable number.

96639609 is a deficient number, since it is larger than the sum of its proper divisors (44399751).

96639609 is a wasteful number, since it uses less digits than its factorization.

96639609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9860.

The product of its (nonzero) digits is 472392, while the sum is 48.

The square root of 96639609 is about 9830.5446949800. The cubic root of 96639609 is about 458.9003490695.

The spelling of 96639609 in words is "ninety-six million, six hundred thirty-nine thousand, six hundred nine".