96640000 has 110 divisors (see below), whose sum is σ = 243003464. Its totient is φ = 38400000.

The previous prime is 96639979. The next prime is 96640001. The reversal of 96640000 is 4669.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96640001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 639925 + ... + 640075.

Almost surely, 2^96640000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 96640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121501732).

96640000 is an abundant number, since it is smaller than the sum of its proper divisors (146363464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

96640000 is an equidigital number, since it uses as much as digits as its factorization.

96640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 96640000 is about 9830.5645819556. The cubic root of 96640000 is about 458.9009679662.

Adding to 96640000 its reverse (4669), we get a palindrome (96644669).

The spelling of 96640000 in words is "ninety-six million, six hundred forty thousand".