89969406 has 32 divisors (see below), whose sum is σ = 191001888. Its totient is φ = 28154880.

The previous prime is 89969393. The next prime is 89969417. The reversal of 89969406 is 60496998.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52296 + ... + 53988.

It is an arithmetic number, because the mean of its divisors is an integer number (5968809).

Almost surely, 2^89969406 is an apocalyptic number.

89969406 is an abundant number, since it is smaller than the sum of its proper divisors (101032482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89969406 is a wasteful number, since it uses less digits than its factorization.

89969406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 89969406 is about 9485.2203980719. The cubic root of 89969406 is about 448.0896896057.

The spelling of 89969406 in words is "eighty-nine million, nine hundred sixty-nine thousand, four hundred six".