89047321 has 4 divisors (see below), whose sum is σ = 97142544. Its totient is φ = 80952100.

The previous prime is 89047307. The next prime is 89047327. The reversal of 89047321 is 12374098.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89047321 - 2¹⁵ = 89014553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89047327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4047595 + ... + 4047616.

It is an arithmetic number, because the mean of its divisors is an integer number (24285636).

Almost surely, 2^89047321 is an apocalyptic number.

It is an amenable number.

89047321 is a deficient number, since it is larger than the sum of its proper divisors (8095223).

89047321 is a wasteful number, since it uses less digits than its factorization.

89047321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8095222.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 89047321 is about 9436.4888067543. The cubic root of 89047321 is about 446.5536252022.

The spelling of 89047321 in words is "eighty-nine million, forty-seven thousand, three hundred twenty-one".