86538654 has 48 divisors (see below), whose sum is σ = 199929600. Its totient is φ = 26973648.

The previous prime is 86538649. The next prime is 86538679. The reversal of 86538654 is 45683568.

It is a super-2 number, since 2×86538654² = 14977877272263432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25417 + ... + 28619.

It is an arithmetic number, because the mean of its divisors is an integer number (4165200).

Almost surely, 2^86538654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86538654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99964800).

86538654 is an abundant number, since it is smaller than the sum of its proper divisors (113390946).

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

86538654 is a wasteful number, since it uses less digits than its factorization.

86538654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309 (or 3306 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 86538654 is about 9302.6154386817. The cubic root of 86538654 is about 442.3201375689.

The spelling of 86538654 in words is "eighty-six million, five hundred thirty-eight thousand, six hundred fifty-four".