86434318 has 4 divisors (see below), whose sum is σ = 129651480. Its totient is φ = 43217158.

The previous prime is 86434303. The next prime is 86434367. The reversal of 86434318 is 81343468.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21608578 + ... + 21608581.

It is an arithmetic number, because the mean of its divisors is an integer number (32412870).

Almost surely, 2^86434318 is an apocalyptic number.

86434318 is a deficient number, since it is larger than the sum of its proper divisors (43217162).

86434318 is a wasteful number, since it uses less digits than its factorization.

86434318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43217161.

The product of its digits is 55296, while the sum is 37.

The square root of 86434318 is about 9297.0058621042. The cubic root of 86434318 is about 442.1423038450.

The spelling of 86434318 in words is "eighty-six million, four hundred thirty-four thousand, three hundred eighteen".