96991120 has 40 divisors (see below), whose sum is σ = 238772664. Its totient is φ = 36513792.

The previous prime is 96991093. The next prime is 96991121. The reversal of 96991120 is 2119969.

It can be written as a sum of positive squares in 4 ways, for example, as 10575504 + 86415616 = 3252^2 + 9296^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 96991120.

It is not an unprimeable number, because it can be changed into a prime (96991121) 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, 34299 + ... + 37018.

Almost surely, 2^96991120 is an apocalyptic number.

It is an amenable number.

96991120 is an abundant number, since it is smaller than the sum of its proper divisors (141781544).

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

96991120 is a wasteful number, since it uses less digits than its factorization.

96991120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71347 (or 71341 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 96991120 is about 9848.4069777807. The cubic root of 96991120 is about 459.4560678499.

The spelling of 96991120 in words is "ninety-six million, nine hundred ninety-one thousand, one hundred twenty".