99061540 has 12 divisors (see below), whose sum is σ = 208029276. Its totient is φ = 39624608.

The previous prime is 99061537. The next prime is 99061559. The reversal of 99061540 is 4516099.

It can be written as a sum of positive squares in 2 ways, for example, as 12348196 + 86713344 = 3514^2 + 9312^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99061496 and 99061505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2476519 + ... + 2476558.

It is an arithmetic number, because the mean of its divisors is an integer number (17335773).

Almost surely, 2^99061540 is an apocalyptic number.

It is an amenable number.

99061540 is an abundant number, since it is smaller than the sum of its proper divisors (108967736).

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

99061540 is a wasteful number, since it uses less digits than its factorization.

99061540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953086 (or 4953084 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 99061540 is about 9952.9663919859. The cubic root of 99061540 is about 462.7023356227.

The spelling of 99061540 in words is "ninety-nine million, sixty-one thousand, five hundred forty".