89476993 has 4 divisors (see below), whose sum is σ = 89496900. Its totient is φ = 89457088.

The previous prime is 89476991. The next prime is 89476999. The reversal of 89476993 is 39967498.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18378369 + 71098624 = 4287^2 + 8432^2 .

It is a cyclic number.

It is not a de Polignac number, because 89476993 - 2¹ = 89476991 is a prime.

It is a super-2 number, since 2×89476993² = 16012264552644098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89476991) 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 3 ways as a sum of consecutive naturals, for example, 333 + ... + 13381.

It is an arithmetic number, because the mean of its divisors is an integer number (22374225).

Almost surely, 2^89476993 is an apocalyptic number.

It is an amenable number.

89476993 is a deficient number, since it is larger than the sum of its proper divisors (19907).

89476993 is a wasteful number, since it uses less digits than its factorization.

89476993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19906.

The product of its digits is 2939328, while the sum is 55.

The square root of 89476993 is about 9459.2279283248. The cubic root of 89476993 is about 447.2707113718.

The spelling of 89476993 in words is "eighty-nine million, four hundred seventy-six thousand, nine hundred ninety-three".