89985213 has 24 divisors (see below), whose sum is σ = 133536000. Its totient is φ = 58364064.

The previous prime is 89985167. The next prime is 89985239. The reversal of 89985213 is 31258998.

It is a happy number.

It is not a de Polignac number, because 89985213 - 2⁸ = 89984957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89985253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83643 + ... + 84711.

It is an arithmetic number, because the mean of its divisors is an integer number (5564000).

Almost surely, 2^89985213 is an apocalyptic number.

It is an amenable number.

89985213 is a deficient number, since it is larger than the sum of its proper divisors (43550787).

89985213 is a wasteful number, since it uses less digits than its factorization.

89985213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1318 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 89985213 is about 9486.0536051616. The cubic root of 89985213 is about 448.1159301515.

The spelling of 89985213 in words is "eighty-nine million, nine hundred eighty-five thousand, two hundred thirteen".