89983121 has 4 divisors (see below), whose sum is σ = 90486000. Its totient is φ = 89480244.

The previous prime is 89983087. The next prime is 89983123. The reversal of 89983121 is 12138998.

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 89983121 - 2¹⁸ = 89720977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89983123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251171 + ... + 251528.

It is an arithmetic number, because the mean of its divisors is an integer number (22621500).

Almost surely, 2^89983121 is an apocalyptic number.

It is an amenable number.

89983121 is a deficient number, since it is larger than the sum of its proper divisors (502879).

89983121 is a wasteful number, since it uses less digits than its factorization.

89983121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502878.

The product of its digits is 31104, while the sum is 41.

The square root of 89983121 is about 9485.9433373808. The cubic root of 89983121 is about 448.1124574854.

The spelling of 89983121 in words is "eighty-nine million, nine hundred eighty-three thousand, one hundred twenty-one".