86245429 has 4 divisors (see below), whose sum is σ = 86540076. Its totient is φ = 85950784.

The previous prime is 86245417. The next prime is 86245447. The reversal of 86245429 is 92454268.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39664804 + 46580625 = 6298^2 + 6825^2 .

It is a cyclic number.

It is not a de Polignac number, because 86245429 - 2¹³ = 86237237 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86245391 and 86245400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86245499) 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, 146884 + ... + 147469.

It is an arithmetic number, because the mean of its divisors is an integer number (21635019).

Almost surely, 2^86245429 is an apocalyptic number.

It is an amenable number.

86245429 is a deficient number, since it is larger than the sum of its proper divisors (294647).

86245429 is a wasteful number, since it uses less digits than its factorization.

86245429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294646.

The product of its digits is 138240, while the sum is 40.

The square root of 86245429 is about 9286.8417128753. The cubic root of 86245429 is about 441.8199907848.

The spelling of 86245429 in words is "eighty-six million, two hundred forty-five thousand, four hundred twenty-nine".