86869244 has 48 divisors (see below), whose sum is σ = 191068416. Its totient is φ = 33571200.

The previous prime is 86869231. The next prime is 86869247. The reversal of 86869244 is 44296868.

Its product of digits (663552) is a multiple of the sum of its prime divisors (2304).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86869247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39272 + ... + 41424.

It is an arithmetic number, because the mean of its divisors is an integer number (3980592).

Almost surely, 2^86869244 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 86869244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95534208).

86869244 is an abundant number, since it is smaller than the sum of its proper divisors (104199172).

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

86869244 is a wasteful number, since it uses less digits than its factorization.

86869244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2304 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 86869244 is about 9320.3671601499. The cubic root of 86869244 is about 442.8826638679.

The spelling of 86869244 in words is "eighty-six million, eight hundred sixty-nine thousand, two hundred forty-four".