86400001 has 4 divisors (see below), whose sum is σ = 91482372. Its totient is φ = 81317632.

The previous prime is 86399993. The next prime is 86400031. The reversal of 86400001 is 10000468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34574400 + 51825601 = 5880^2 + 7199^2 .

It is a cyclic number.

It is not a de Polignac number, because 86400001 - 2³ = 86399993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86400031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541160 + ... + 2541193.

It is an arithmetic number, because the mean of its divisors is an integer number (22870593).

Almost surely, 2^86400001 is an apocalyptic number.

It is an amenable number.

86400001 is a deficient number, since it is larger than the sum of its proper divisors (5082371).

86400001 is a wasteful number, since it uses less digits than its factorization.

86400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082370.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 86400001 is about 9295.1600846892. The cubic root of 86400001 is about 442.0837815424.

Adding to 86400001 its reverse (10000468), we get a palindrome (96400469).

The spelling of 86400001 in words is "eighty-six million, four hundred thousand, one".