9997516 has 12 divisors (see below), whose sum is σ = 17707032. Its totient is φ = 4938368.

The previous prime is 9997483. The next prime is 9997517. The reversal of 9997516 is 6157999.

It is not an unprimeable number, because it can be changed into a prime (9997517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14725 + ... + 15388.

It is an arithmetic number, because the mean of its divisors is an integer number (1475586).

Almost surely, 2^9997516 is an apocalyptic number.

It is an amenable number.

9997516 is a deficient number, since it is larger than the sum of its proper divisors (7709516).

9997516 is a wasteful number, since it uses less digits than its factorization.

9997516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30200 (or 30198 counting only the distinct ones).

The product of its digits is 153090, while the sum is 46.

The square root of 9997516 is about 3161.8848808899. The cubic root of 9997516 is about 215.4256288067.

It can be divided in two parts, 999 and 7516, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 9997516 in words is "nine million, nine hundred ninety-seven thousand, five hundred sixteen".