86343945 has 8 divisors (see below), whose sum is σ = 138150336. Its totient is φ = 46050096.

The previous prime is 86343941. The next prime is 86343953. The reversal of 86343945 is 54934368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86343945 - 2² = 86343941 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 86343897 and 86343906.

It is not an unprimeable number, because it can be changed into a prime (86343941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2878117 + ... + 2878146.

It is an arithmetic number, because the mean of its divisors is an integer number (17268792).

Almost surely, 2^86343945 is an apocalyptic number.

It is an amenable number.

86343945 is a deficient number, since it is larger than the sum of its proper divisors (51806391).

86343945 is a wasteful number, since it uses less digits than its factorization.

86343945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756271.

The product of its digits is 311040, while the sum is 42.

The square root of 86343945 is about 9292.1442627630. The cubic root of 86343945 is about 441.9881534194.

The spelling of 86343945 in words is "eighty-six million, three hundred forty-three thousand, nine hundred forty-five".