96641821 has 8 divisors (see below), whose sum is σ = 102981240. Its totient is φ = 90375168.

The previous prime is 96641819. The next prime is 96641851. The reversal of 96641821 is 12814669.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6125625 + 90516196 = 2475^2 + 9514^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 96641821 - 2¹ = 96641819 is a prime.

It is a super-3 number, since 3×96641821³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96641851) 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 7 ways as a sum of consecutive naturals, for example, 15436 + ... + 20773.

It is an arithmetic number, because the mean of its divisors is an integer number (12872655).

Almost surely, 2^96641821 is an apocalyptic number.

It is an amenable number.

96641821 is a deficient number, since it is larger than the sum of its proper divisors (6339419).

96641821 is a wasteful number, since it uses less digits than its factorization.

96641821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36383.

The product of its digits is 20736, while the sum is 37.

The square root of 96641821 is about 9830.6572008183. The cubic root of 96641821 is about 458.9038503248.

The spelling of 96641821 in words is "ninety-six million, six hundred forty-one thousand, eight hundred twenty-one".