86285574 has 120 divisors (see below), whose sum is σ = 218424360. Its totient is φ = 25380864.

The previous prime is 86285569. The next prime is 86285579. The reversal of 86285574 is 47558268.

It is an interprime number because it is at equal distance from previous prime (86285569) and next prime (86285579).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86285579) 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 59 ways as a sum of consecutive naturals, for example, 889494 + ... + 889590.

It is an arithmetic number, because the mean of its divisors is an integer number (1820203).

Almost surely, 2^86285574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86285574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109212180).

86285574 is an abundant number, since it is smaller than the sum of its proper divisors (132138786).

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

86285574 is a wasteful number, since it uses less digits than its factorization.

86285574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 138 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 86285574 is about 9289.0028528363. The cubic root of 86285574 is about 441.8885320491. Note that the first 3 decimals are identical.

It can be divided in two parts, 862 and 85574, that added together give a square (86436 = 294²).

The spelling of 86285574 in words is "eighty-six million, two hundred eighty-five thousand, five hundred seventy-four".