96839681 has 4 divisors (see below), whose sum is σ = 96901332. Its totient is φ = 96778032.

The previous prime is 96839657. The next prime is 96839689. The reversal of 96839681 is 18693869.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70224400 + 26615281 = 8380^2 + 5159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96839681 is a prime.

It is a super-2 number, since 2×96839681² = 18755847632363522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96839689) 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, 28406 + ... + 31631.

It is an arithmetic number, because the mean of its divisors is an integer number (24225333).

Almost surely, 2^96839681 is an apocalyptic number.

It is an amenable number.

96839681 is a deficient number, since it is larger than the sum of its proper divisors (61651).

96839681 is a wasteful number, since it uses less digits than its factorization.

96839681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61650.

The product of its digits is 559872, while the sum is 50.

The square root of 96839681 is about 9840.7154719563. The cubic root of 96839681 is about 459.2168163526.

The spelling of 96839681 in words is "ninety-six million, eight hundred thirty-nine thousand, six hundred eighty-one".