89035821 has 16 divisors (see below), whose sum is σ = 150748800. Its totient is φ = 50877504.

The previous prime is 89035789. The next prime is 89035861. The reversal of 89035821 is 12853098.

It is not a de Polignac number, because 89035821 - 2⁵ = 89035789 is a prime.

It is a super-2 number, since 2×89035821² = 15854754842288082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89035861) 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, 235356 + ... + 235733.

It is an arithmetic number, because the mean of its divisors is an integer number (9421800).

Almost surely, 2^89035821 is an apocalyptic number.

It is an amenable number.

89035821 is a deficient number, since it is larger than the sum of its proper divisors (61712979).

89035821 is a wasteful number, since it uses less digits than its factorization.

89035821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471105 (or 471099 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 89035821 is about 9435.8794502685. The cubic root of 89035821 is about 446.5344010125.

The spelling of 89035821 in words is "eighty-nine million, thirty-five thousand, eight hundred twenty-one".