86343438 has 16 divisors (see below), whose sum is σ = 172938960. Its totient is φ = 28739136.

The previous prime is 86343437. The next prime is 86343457. The reversal of 86343438 is 83434368.

It is a junction number, because it is equal to n+sod(n) for n = 86343396 and 86343405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86343431) 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, 5895 + ... + 14402.

It is an arithmetic number, because the mean of its divisors is an integer number (10808685).

Almost surely, 2^86343438 is an apocalyptic number.

86343438 is an abundant number, since it is smaller than the sum of its proper divisors (86595522).

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

86343438 is a wasteful number, since it uses less digits than its factorization.

86343438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21011.

The product of its digits is 165888, while the sum is 39.

The square root of 86343438 is about 9292.1169816140. The cubic root of 86343438 is about 441.9872883195.

The spelling of 86343438 in words is "eighty-six million, three hundred forty-three thousand, four hundred thirty-eight".