96921089 has 8 divisors (see below), whose sum is σ = 100404360. Its totient is φ = 93491200.

The previous prime is 96921067. The next prime is 96921091. The reversal of 96921089 is 98012969.

It can be written as a sum of positive squares in 4 ways, for example, as 2053489 + 94867600 = 1433^2 + 9740^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96921089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (96921689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9632 + ... + 16929.

It is an arithmetic number, because the mean of its divisors is an integer number (12550545).

Almost surely, 2^96921089 is an apocalyptic number.

It is an amenable number.

96921089 is a deficient number, since it is larger than the sum of its proper divisors (3483271).

96921089 is a wasteful number, since it uses less digits than its factorization.

96921089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26691.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 96921089 is about 9844.8508876468. The cubic root of 96921089 is about 459.3454600778.

The spelling of 96921089 in words is "ninety-six million, nine hundred twenty-one thousand, eighty-nine".