89956965 has 16 divisors (see below), whose sum is σ = 164492928. Its totient is φ = 41123136.

The previous prime is 89956961. The next prime is 89956969. The reversal of 89956965 is 56965998.

It is an interprime number because it is at equal distance from previous prime (89956961) and next prime (89956969).

It is not a de Polignac number, because 89956965 - 2² = 89956961 is a prime.

It is a super-2 number, since 2×89956965² = 16184511104022450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89956961) 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 15 ways as a sum of consecutive naturals, for example, 428262 + ... + 428471.

It is an arithmetic number, because the mean of its divisors is an integer number (10280808).

Almost surely, 2^89956965 is an apocalyptic number.

It is an amenable number.

89956965 is a deficient number, since it is larger than the sum of its proper divisors (74535963).

89956965 is a wasteful number, since it uses less digits than its factorization.

89956965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856748.

The product of its digits is 5248800, while the sum is 57.

The square root of 89956965 is about 9484.5645656509. The cubic root of 89956965 is about 448.0690346554.

The spelling of 89956965 in words is "eighty-nine million, nine hundred fifty-six thousand, nine hundred sixty-five".