86248469 has 4 divisors (see below), whose sum is σ = 86284044. Its totient is φ = 86212896.

The previous prime is 86248447. The next prime is 86248471. The reversal of 86248469 is 96484268.

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 84180625 + 2067844 = 9175^2 + 1438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86248469 is a prime.

It is a super-2 number, since 2×86248469² = 14877596809687922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86248439) 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, 13862 + ... + 19095.

It is an arithmetic number, because the mean of its divisors is an integer number (21571011).

Almost surely, 2^86248469 is an apocalyptic number.

It is an amenable number.

86248469 is a deficient number, since it is larger than the sum of its proper divisors (35575).

86248469 is a wasteful number, since it uses less digits than its factorization.

86248469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35574.

The product of its digits is 663552, while the sum is 47.

The square root of 86248469 is about 9287.0053838684. The cubic root of 86248469 is about 441.8251818502.

The spelling of 86248469 in words is "eighty-six million, two hundred forty-eight thousand, four hundred sixty-nine".