86446403 has 2 divisors, whose sum is σ = 86446404. Its totient is φ = 86446402.

The previous prime is 86446391. The next prime is 86446417. The reversal of 86446403 is 30464468.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86446403 - 2¹⁶ = 86380867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (86446453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43223201 + 43223202.

It is an arithmetic number, because the mean of its divisors is an integer number (43223202).

Almost surely, 2^86446403 is an apocalyptic number.

86446403 is a deficient number, since it is larger than the sum of its proper divisors (1).

86446403 is an equidigital number, since it uses as much as digits as its factorization.

86446403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 86446403 is about 9297.6557798189. The cubic root of 86446403 is about 442.1629092436.

The spelling of 86446403 in words is "eighty-six million, four hundred forty-six thousand, four hundred three".