86409552 has 20 divisors (see below), whose sum is σ = 223224800. Its totient is φ = 28803168.

The previous prime is 86409527. The next prime is 86409559. The reversal of 86409552 is 25590468.

It is a super-2 number, since 2×86409552² = 14933221353681408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 86409552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86409559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900052 + ... + 900147.

It is an arithmetic number, because the mean of its divisors is an integer number (11161240).

Almost surely, 2^86409552 is an apocalyptic number.

It is an amenable number.

86409552 is an abundant number, since it is smaller than the sum of its proper divisors (136815248).

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

86409552 is a wasteful number, since it uses less digits than its factorization.

86409552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800210 (or 1800204 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 86409552 is about 9295.6738324879. The cubic root of 86409552 is about 442.1000708425.

The spelling of 86409552 in words is "eighty-six million, four hundred nine thousand, five hundred fifty-two".