86806734 has 48 divisors (see below), whose sum is σ = 202704768. Its totient is φ = 24710448.

The previous prime is 86806711. The next prime is 86806747. The reversal of 86806734 is 43760868.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 147589 + ... + 148175.

It is an arithmetic number, because the mean of its divisors is an integer number (4223016).

Almost surely, 2^86806734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86806734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101352384).

86806734 is an abundant number, since it is smaller than the sum of its proper divisors (115898034).

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

86806734 is a wasteful number, since it uses less digits than its factorization.

86806734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 86806734 is about 9317.0131479997. The cubic root of 86806734 is about 442.7764074716.

The spelling of 86806734 in words is "eighty-six million, eight hundred six thousand, seven hundred thirty-four".