86299421 has 16 divisors (see below), whose sum is σ = 94531584. Its totient is φ = 78309504.

The previous prime is 86299309. The next prime is 86299453. The reversal of 86299421 is 12499268.

It is not a de Polignac number, because 86299421 - 2¹⁰ = 86298397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86299471) 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 15 ways as a sum of consecutive naturals, for example, 275561 + ... + 275873.

It is an arithmetic number, because the mean of its divisors is an integer number (5908224).

Almost surely, 2^86299421 is an apocalyptic number.

It is an amenable number.

86299421 is a deficient number, since it is larger than the sum of its proper divisors (8232163).

86299421 is a wasteful number, since it uses less digits than its factorization.

86299421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 62208, while the sum is 41.

The square root of 86299421 is about 9289.7481666620. The cubic root of 86299421 is about 441.9121686893.

The spelling of 86299421 in words is "eighty-six million, two hundred ninety-nine thousand, four hundred twenty-one".