86438373 has 16 divisors (see below), whose sum is σ = 134929536. Its totient is φ = 48188160.

The previous prime is 86438371. The next prime is 86438377. The reversal of 86438373 is 37383468.

It is not a de Polignac number, because 86438373 - 2¹ = 86438371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86438371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49336 + ... + 51057.

It is an arithmetic number, because the mean of its divisors is an integer number (8433096).

Almost surely, 2^86438373 is an apocalyptic number.

It is an amenable number.

86438373 is a deficient number, since it is larger than the sum of its proper divisors (48491163).

86438373 is a wasteful number, since it uses less digits than its factorization.

86438373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100444.

The product of its digits is 290304, while the sum is 42.

The square root of 86438373 is about 9297.2239405104. The cubic root of 86438373 is about 442.1492179930.

The spelling of 86438373 in words is "eighty-six million, four hundred thirty-eight thousand, three hundred seventy-three".