86429 has 4 divisors (see below), whose sum is σ = 98784. Its totient is φ = 74076.

The previous prime is 86423. The next prime is 86441. The reversal of 86429 is 92468.

86429 = T₄₂ + T₄₃ + ... + T₈₃.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86429 - 2⁴ = 86413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6167 + ... + 6180.

It is an arithmetic number, because the mean of its divisors is an integer number (24696).

2⁸⁶⁴²⁹ is an apocalyptic number.

It is an amenable number.

86429 is a deficient number, since it is larger than the sum of its proper divisors (12355).

86429 is a wasteful number, since it uses less digits than its factorization.

86429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12354.

The product of its digits is 3456, while the sum is 29.

The square root of 86429 is about 293.9880949971. The cubic root of 86429 is about 44.2133235838.

It can be divided in two parts, 86 and 429, that added together give a palindrome (515).

The spelling of 86429 in words is "eighty-six thousand, four hundred twenty-nine".