9689955 has 16 divisors (see below), whose sum is σ = 16913664. Its totient is φ = 4698080.

The previous prime is 9689929. The next prime is 9689957. The reversal of 9689955 is 5599869.

It is not a de Polignac number, because 9689955 - 2⁶ = 9689891 is a prime.

9689955 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9689898 and 9689907.

It is not an unprimeable number, because it can be changed into a prime (9689957) 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, 29199 + ... + 29528.

It is an arithmetic number, because the mean of its divisors is an integer number (1057104).

Almost surely, 2^9689955 is an apocalyptic number.

9689955 is a deficient number, since it is larger than the sum of its proper divisors (7223709).

9689955 is a wasteful number, since it uses less digits than its factorization.

9689955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58746.

The product of its digits is 874800, while the sum is 51.

The square root of 9689955 is about 3112.8692552049. The cubic root of 9689955 is about 213.1934806582.

The spelling of 9689955 in words is "nine million, six hundred eighty-nine thousand, nine hundred fifty-five".