9956145 has 16 divisors (see below), whose sum is σ = 16361280. Its totient is φ = 5166144.

The previous prime is 9956143. The next prime is 9956161. The reversal of 9956145 is 5416599.

It is not a de Polignac number, because 9956145 - 2¹ = 9956143 is a prime.

It is a super-2 number, since 2×9956145² = 198249646522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9956143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8415 + ... + 9524.

It is an arithmetic number, because the mean of its divisors is an integer number (1022580).

Almost surely, 2^9956145 is an apocalyptic number.

It is an amenable number.

9956145 is a deficient number, since it is larger than the sum of its proper divisors (6405135).

9956145 is a wasteful number, since it uses less digits than its factorization.

9956145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17984.

The product of its digits is 48600, while the sum is 39.

The square root of 9956145 is about 3155.3359567564. The cubic root of 9956145 is about 215.1280650404.

It can be divided in two parts, 9956 and 145, that added together give a palindrome (10101).

The spelling of 9956145 in words is "nine million, nine hundred fifty-six thousand, one hundred forty-five".