9420001 has 4 divisors (see below), whose sum is σ = 9723904. Its totient is φ = 9116100.

The previous prime is 9419987. The next prime is 9420011. The reversal of 9420001 is 1000249.

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-9420001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9420011) 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, 151905 + ... + 151966.

It is an arithmetic number, because the mean of its divisors is an integer number (2430976).

Almost surely, 2^9420001 is an apocalyptic number.

It is an amenable number.

9420001 is a deficient number, since it is larger than the sum of its proper divisors (303903).

9420001 is a wasteful number, since it uses less digits than its factorization.

9420001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303902.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 9420001 is about 3069.2020135534. The cubic root of 9420001 is about 211.1950085028.

The spelling of 9420001 in words is "nine million, four hundred twenty thousand, one".