8040001 has 8 divisors (see below), whose sum is σ = 8201864. Its totient is φ = 7879680.

The previous prime is 8039987. The next prime is 8040013. The reversal of 8040001 is 1000408.

It can be written as a sum of positive squares in 4 ways, for example, as 3841600 + 4198401 = 1960^2 + 2049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8040001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8040091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17365 + ... + 17821.

It is an arithmetic number, because the mean of its divisors is an integer number (1025233).

Almost surely, 2^8040001 is an apocalyptic number.

It is an amenable number.

8040001 is a deficient number, since it is larger than the sum of its proper divisors (161863).

8040001 is a wasteful number, since it uses less digits than its factorization.

8040001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 8040001 is about 2835.4895520880. The cubic root of 8040001 is about 200.3327876215.

Adding to 8040001 its reverse (1000408), we get a palindrome (9040409).

The spelling of 8040001 in words is "eight million, forty thousand, one".