8016401 has 4 divisors (see below), whose sum is σ = 8487972. Its totient is φ = 7544832.

The previous prime is 8016373. The next prime is 8016403. The reversal of 8016401 is 1046108.

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 2958400 + 5058001 = 1720^2 + 2249^2 .

It is a cyclic number.

It is not a de Polignac number, because 8016401 - 2¹⁴ = 8000017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8016403) 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, 235760 + ... + 235793.

It is an arithmetic number, because the mean of its divisors is an integer number (2121993).

Almost surely, 2^8016401 is an apocalyptic number.

It is an amenable number.

8016401 is a deficient number, since it is larger than the sum of its proper divisors (471571).

8016401 is a wasteful number, since it uses less digits than its factorization.

8016401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471570.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 8016401 is about 2831.3249548577. The cubic root of 8016401 is about 200.1365817060.

The spelling of 8016401 in words is "eight million, sixteen thousand, four hundred one".