89808946 has 4 divisors (see below), whose sum is σ = 134713422. Its totient is φ = 44904472.

The previous prime is 89808931. The next prime is 89808959. The reversal of 89808946 is 64980898.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65691025 + 24117921 = 8105^2 + 4911^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89808893 and 89808902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22452235 + ... + 22452238.

Almost surely, 2^89808946 is an apocalyptic number.

89808946 is a deficient number, since it is larger than the sum of its proper divisors (44904476).

89808946 is a wasteful number, since it uses less digits than its factorization.

89808946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44904475.

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 89808946 is about 9476.7582009884. The cubic root of 89808946 is about 447.8231424837.

The spelling of 89808946 in words is "eighty-nine million, eight hundred eight thousand, nine hundred forty-six".