86939034 has 144 divisors (see below), whose sum is σ = 233003232. Its totient is φ = 21422016.

The previous prime is 86939033. The next prime is 86939053. The reversal of 86939034 is 43093968.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86939033) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2021817 + ... + 2021859.

It is an arithmetic number, because the mean of its divisors is an integer number (1618078).

Almost surely, 2^86939034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86939034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116501616).

86939034 is an abundant number, since it is smaller than the sum of its proper divisors (146064198).

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

86939034 is a wasteful number, since it uses less digits than its factorization.

86939034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 86939034 is about 9324.1103597072. The cubic root of 86939034 is about 443.0012348224.

It can be divided in two parts, 869 and 39034, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 86939034 in words is "eighty-six million, nine hundred thirty-nine thousand, thirty-four".