86296421 has 4 divisors (see below), whose sum is σ = 86317344. Its totient is φ = 86275500.

The previous prime is 86296417. The next prime is 86296429. The reversal of 86296421 is 12469268.

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 86296421 - 2² = 86296417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86296429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1985 + ... + 13286.

It is an arithmetic number, because the mean of its divisors is an integer number (21579336).

Almost surely, 2^86296421 is an apocalyptic number.

It is an amenable number.

86296421 is a deficient number, since it is larger than the sum of its proper divisors (20923).

86296421 is a wasteful number, since it uses less digits than its factorization.

86296421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20922.

The product of its digits is 41472, while the sum is 38.

The square root of 86296421 is about 9289.5866969419. The cubic root of 86296421 is about 441.9070479448.

The spelling of 86296421 in words is "eighty-six million, two hundred ninety-six thousand, four hundred twenty-one".