96972821 has 8 divisors (see below), whose sum is σ = 105873600. Its totient is φ = 88086240.

The previous prime is 96972817. The next prime is 96972823. The reversal of 96972821 is 12827969.

It is a happy number.

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

It is not a de Polignac number, because 96972821 - 2² = 96972817 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 (96972823) 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, 14960 + ... + 20438.

It is an arithmetic number, because the mean of its divisors is an integer number (13234200).

Almost surely, 2^96972821 is an apocalyptic number.

It is an amenable number.

96972821 is a deficient number, since it is larger than the sum of its proper divisors (8900779).

96972821 is a wasteful number, since it uses less digits than its factorization.

96972821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7099.

The product of its digits is 108864, while the sum is 44.

The square root of 96972821 is about 9847.4779004576. The cubic root of 96972821 is about 459.4271713372.

The spelling of 96972821 in words is "ninety-six million, nine hundred seventy-two thousand, eight hundred twenty-one".