8427901 has 4 divisors (see below), whose sum is σ = 8586972. Its totient is φ = 8268832.

The previous prime is 8427851. The next prime is 8427907. The reversal of 8427901 is 1097248.

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 5784025 + 2643876 = 2405^2 + 1626^2 .

It is a cyclic number.

It is not a de Polignac number, because 8427901 - 2¹⁵ = 8395133 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79456 + ... + 79561.

It is an arithmetic number, because the mean of its divisors is an integer number (2146743).

Almost surely, 2^8427901 is an apocalyptic number.

It is an amenable number.

8427901 is a deficient number, since it is larger than the sum of its proper divisors (159071).

8427901 is a wasteful number, since it uses less digits than its factorization.

8427901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159070.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 8427901 is about 2903.0847386875. The cubic root of 8427901 is about 203.5040898912.

The spelling of 8427901 in words is "eight million, four hundred twenty-seven thousand, nine hundred one".