9861516 has 36 divisors (see below), whose sum is σ = 28489552. Its totient is φ = 2817504.

The previous prime is 9861487. The next prime is 9861559. The reversal of 9861516 is 6151689.

9861516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19315 + ... + 19818.

Almost surely, 2^9861516 is an apocalyptic number.

It is an amenable number.

9861516 is an abundant number, since it is smaller than the sum of its proper divisors (18628036).

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

9861516 is a wasteful number, since it uses less digits than its factorization.

9861516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39150 (or 39145 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 9861516 is about 3140.3050807207. The cubic root of 9861516 is about 214.4443267579. Note that the first 3 decimals are identical.

It can be divided in two parts, 98 and 61516, that multiplied together give a cube (6028568 = 182³).

The spelling of 9861516 in words is "nine million, eight hundred sixty-one thousand, five hundred sixteen".