86944049 has 2 divisors, whose sum is σ = 86944050. Its totient is φ = 86944048.

The previous prime is 86944007. The next prime is 86944061. The reversal of 86944049 is 94044968.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73839649 + 13104400 = 8593^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 86944049 - 2²⁰ = 85895473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86644049) 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 as a sum of consecutive naturals, namely, 43472024 + 43472025.

It is an arithmetic number, because the mean of its divisors is an integer number (43472025).

Almost surely, 2^86944049 is an apocalyptic number.

It is an amenable number.

86944049 is a deficient number, since it is larger than the sum of its proper divisors (1).

86944049 is an equidigital number, since it uses as much as digits as its factorization.

86944049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 86944049 is about 9324.3792822901. The cubic root of 86944049 is about 443.0097527012.

The spelling of 86944049 in words is "eighty-six million, nine hundred forty-four thousand, forty-nine".