96805921 has 3 divisors (see below), whose sum is σ = 96815761. Its totient is φ = 96796082.

The previous prime is 96805913. The next prime is 96805937. The reversal of 96805921 is 12950869.

The square root of 96805921 is 9839.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12950869 = 43 ⋅301183.

It is not a de Polignac number, because 96805921 - 2³ = 96805913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96805991) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4920 + ... + 14758.

Almost surely, 2^96805921 is an apocalyptic number.

96805921 is the 9839-th square number.

96805921 is the 4920-th centered octagonal number.

It is an amenable number.

96805921 is a deficient number, since it is larger than the sum of its proper divisors (9840).

96805921 is an frugal number, since it uses more digits than its factorization.

96805921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19678 (or 9839 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The cubic root of 96805921 is about 459.1634464893.

The spelling of 96805921 in words is "ninety-six million, eight hundred five thousand, nine hundred twenty-one".