9658216 has 16 divisors (see below), whose sum is σ = 18160740. Its totient is φ = 4815360.

The previous prime is 9658211. The next prime is 9658219. The reversal of 9658216 is 6128569.

It can be written as a sum of positive squares in 2 ways, for example, as 8145316 + 1512900 = 2854^2 + 1230^2 .

It is a super-2 number, since 2×9658216² = 186562272605312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9658211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656 + ... + 4696.

Almost surely, 2^9658216 is an apocalyptic number.

It is an amenable number.

9658216 is a deficient number, since it is larger than the sum of its proper divisors (8502524).

9658216 is a wasteful number, since it uses less digits than its factorization.

9658216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444 (or 3440 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 9658216 is about 3107.7670440366. The cubic root of 9658216 is about 212.9604575879.

The spelling of 9658216 in words is "nine million, six hundred fifty-eight thousand, two hundred sixteen".