86994210 has 64 divisors (see below), whose sum is σ = 216203904. Its totient is φ = 22387200.

The previous prime is 86994121. The next prime is 86994223. The reversal of 86994210 is 1249968.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131280 + ... + 131940.

It is an arithmetic number, because the mean of its divisors is an integer number (3378186).

Almost surely, 2^86994210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86994210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108101952).

86994210 is an abundant number, since it is smaller than the sum of its proper divisors (129209694).

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

86994210 is a wasteful number, since it uses less digits than its factorization.

86994210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 86994210 is about 9327.0686713458. The cubic root of 86994210 is about 443.0949321560.

The spelling of 86994210 in words is "eighty-six million, nine hundred ninety-four thousand, two hundred ten".