9870916 has 24 divisors (see below), whose sum is σ = 18938304. Its totient is φ = 4464480.

The previous prime is 9870911. The next prime is 9870943. The reversal of 9870916 is 6190789.

It is not an unprimeable number, because it can be changed into a prime (9870911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11146 + ... + 11998.

It is an arithmetic number, because the mean of its divisors is an integer number (789096).

Almost surely, 2^9870916 is an apocalyptic number.

It is an amenable number.

9870916 is a deficient number, since it is larger than the sum of its proper divisors (9067388).

9870916 is a wasteful number, since it uses less digits than its factorization.

9870916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 9870916 is about 3141.8013941050. The cubic root of 9870916 is about 214.5124412524.

The spelling of 9870916 in words is "nine million, eight hundred seventy thousand, nine hundred sixteen".