89139210 has 16 divisors (see below), whose sum is σ = 213934176. Its totient is φ = 23770448.

The previous prime is 89139209. The next prime is 89139223. The reversal of 89139210 is 1293198.

It is a Curzon number.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485624 + ... + 1485683.

It is an arithmetic number, because the mean of its divisors is an integer number (13370886).

Almost surely, 2^89139210 is an apocalyptic number.

89139210 is an abundant number, since it is smaller than the sum of its proper divisors (124794966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89139210 is a wasteful number, since it uses less digits than its factorization.

89139210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971317.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 89139210 is about 9441.3563644214. The cubic root of 89139210 is about 446.7071737478.

The spelling of 89139210 in words is "eighty-nine million, one hundred thirty-nine thousand, two hundred ten".