86694500 has 48 divisors (see below), whose sum is σ = 194004720. Its totient is φ = 33824000.

The previous prime is 86694497. The next prime is 86694539. The reversal of 86694500 is 549668.

It can be written as a sum of positive squares in 8 ways, for example, as 21827584 + 64866916 = 4672^2 + 8054^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18386 + ... + 22614.

It is an arithmetic number, because the mean of its divisors is an integer number (4041765).

Almost surely, 2^86694500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86694500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97002360).

86694500 is an abundant number, since it is smaller than the sum of its proper divisors (107310220).

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

86694500 is a wasteful number, since it uses less digits than its factorization.

86694500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289 (or 4277 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 86694500 is about 9310.9881323091. The cubic root of 86694500 is about 442.5855006243.

The spelling of 86694500 in words is "eighty-six million, six hundred ninety-four thousand, five hundred".