89021213 has 8 divisors (see below), whose sum is σ = 96938400. Its totient is φ = 81427248.

The previous prime is 89021189. The next prime is 89021221. The reversal of 89021213 is 31212098.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89021213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89021813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80231 + ... + 81332.

It is an arithmetic number, because the mean of its divisors is an integer number (12117300).

Almost surely, 2^89021213 is an apocalyptic number.

It is an amenable number.

89021213 is a deficient number, since it is larger than the sum of its proper divisors (7917187).

89021213 is a wasteful number, since it uses less digits than its factorization.

89021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161611.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 89021213 is about 9435.1053518231. The cubic root of 89021213 is about 446.5099788895.

The spelling of 89021213 in words is "eighty-nine million, twenty-one thousand, two hundred thirteen".