8650401 has 4 divisors (see below), whose sum is σ = 11533872. Its totient is φ = 5766932.

The previous prime is 8650391. The next prime is 8650409. The reversal of 8650401 is 1040568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8650401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8650409) 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 3 ways as a sum of consecutive naturals, for example, 1441731 + ... + 1441736.

It is an arithmetic number, because the mean of its divisors is an integer number (2883468).

Almost surely, 2^8650401 is an apocalyptic number.

It is an amenable number.

8650401 is a deficient number, since it is larger than the sum of its proper divisors (2883471).

8650401 is a wasteful number, since it uses less digits than its factorization.

8650401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883470.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 8650401 is about 2941.1564052257. The cubic root of 8650401 is about 205.2794206742.

Adding to 8650401 its reverse (1040568), we get a palindrome (9690969).

The spelling of 8650401 in words is "eight million, six hundred fifty thousand, four hundred one".