86529492 has 144 divisors (see below), whose sum is σ = 265446720. Its totient is φ = 24300864.

The previous prime is 86529481. The next prime is 86529497. The reversal of 86529492 is 29492568.

86529492 is a `hidden beast` number, since 86 + 529 + 49 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86529497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 439138 + ... + 439334.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 2^86529492 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 86529492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132723360).

86529492 is an abundant number, since it is smaller than the sum of its proper divisors (178917228).

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

86529492 is a wasteful number, since it uses less digits than its factorization.

86529492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 292 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 86529492 is about 9302.1229834915. The cubic root of 86529492 is about 442.3045272801.

The spelling of 86529492 in words is "eighty-six million, five hundred twenty-nine thousand, four hundred ninety-two".