86344453 has 8 divisors (see below), whose sum is σ = 93946328. Its totient is φ = 78879744.

The previous prime is 86344439. The next prime is 86344471. The reversal of 86344453 is 35444368.

It can be written as a sum of positive squares in 4 ways, for example, as 263169 + 86081284 = 513^2 + 9278^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 86344453 - 2⁹ = 86343941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86344403) 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, 32976 + ... + 35497.

It is an arithmetic number, because the mean of its divisors is an integer number (11743291).

Almost surely, 2^86344453 is an apocalyptic number.

It is an amenable number.

86344453 is a deficient number, since it is larger than the sum of its proper divisors (7601875).

86344453 is a wasteful number, since it uses less digits than its factorization.

86344453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68583.

The product of its digits is 138240, while the sum is 37.

The square root of 86344453 is about 9292.1715976407. The cubic root of 86344453 is about 441.9890202223.

The spelling of 86344453 in words is "eighty-six million, three hundred forty-four thousand, four hundred fifty-three".