89244021 has 8 divisors (see below), whose sum is σ = 119456064. Its totient is φ = 59264000.

The previous prime is 89244019. The next prime is 89244031. The reversal of 89244021 is 12044298.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89244021 - 2¹ = 89244019 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89244021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89244011) 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 7 ways as a sum of consecutive naturals, for example, 57105 + ... + 58646.

It is an arithmetic number, because the mean of its divisors is an integer number (14932008).

Almost surely, 2^89244021 is an apocalyptic number.

It is an amenable number.

89244021 is a deficient number, since it is larger than the sum of its proper divisors (30212043).

89244021 is a wasteful number, since it uses less digits than its factorization.

89244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116011.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 89244021 is about 9446.9053663091. The cubic root of 89244021 is about 446.8821864689.

The spelling of 89244021 in words is "eighty-nine million, two hundred forty-four thousand, twenty-one".