86944401 has 8 divisors (see below), whose sum is σ = 128806560. Its totient is φ = 57962916.

The previous prime is 86944397. The next prime is 86944411. The reversal of 86944401 is 10444968.

It is a happy number.

It is not a de Polignac number, because 86944401 - 2² = 86944397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86944411) 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 7 ways as a sum of consecutive naturals, for example, 1610055 + ... + 1610108.

It is an arithmetic number, because the mean of its divisors is an integer number (16100820).

Almost surely, 2^86944401 is an apocalyptic number.

It is an amenable number.

86944401 is a deficient number, since it is larger than the sum of its proper divisors (41862159).

86944401 is a wasteful number, since it uses less digits than its factorization.

86944401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220172 (or 3220166 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 86944401 is about 9324.3981575220. The cubic root of 86944401 is about 443.0103505540.

The spelling of 86944401 in words is "eighty-six million, nine hundred forty-four thousand, four hundred one".