8424001 has 4 divisors (see below), whose sum is σ = 8619952. Its totient is φ = 8228052.

The previous prime is 8423999. The next prime is 8424019. The reversal of 8424001 is 1004248.

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 not a de Polignac number, because 8424001 - 2¹ = 8423999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8424001.

It is not an unprimeable number, because it can be changed into a prime (8424041) 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, 97911 + ... + 97996.

It is an arithmetic number, because the mean of its divisors is an integer number (2154988).

Almost surely, 2^8424001 is an apocalyptic number.

It is an amenable number.

8424001 is a deficient number, since it is larger than the sum of its proper divisors (195951).

8424001 is a wasteful number, since it uses less digits than its factorization.

8424001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195950.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 8424001 is about 2902.4129616579. The cubic root of 8424001 is about 203.4726946322.

Adding to 8424001 its reverse (1004248), we get a palindrome (9428249).

The spelling of 8424001 in words is "eight million, four hundred twenty-four thousand, one".