89947017 has 40 divisors (see below), whose sum is σ = 144166176. Its totient is φ = 55686528.

The previous prime is 89946991. The next prime is 89947019. The reversal of 89947017 is 71074998.

It is not a de Polignac number, because 89947017 - 2¹² = 89942921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89947019) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 113898 + ... + 114684.

Almost surely, 2^89947017 is an apocalyptic number.

It is an amenable number.

89947017 is a deficient number, since it is larger than the sum of its proper divisors (54219159).

89947017 is a wasteful number, since it uses less digits than its factorization.

89947017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 89947017 is about 9484.0401201176. The cubic root of 89947017 is about 448.0525172941.

The spelling of 89947017 in words is "eighty-nine million, nine hundred forty-seven thousand, seventeen".