9404001 has 6 divisors (see below), whose sum is σ = 13583570. Its totient is φ = 6269328.

The previous prime is 9403997. The next prime is 9404011. The reversal of 9404001 is 1004049.

It can be written as a sum of positive squares in only one way, i.e., 9363600 + 40401 = 3060^2 + 201^2 .

It is not a de Polignac number, because 9404001 - 2² = 9403997 is a prime.

It is a Duffinian number.

It is a Curzon number.

9404001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9404011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 522436 + ... + 522453.

Almost surely, 2^9404001 is an apocalyptic number.

It is an amenable number.

9404001 is a deficient number, since it is larger than the sum of its proper divisors (4179569).

9404001 is a wasteful number, since it uses less digits than its factorization.

9404001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044895 (or 1044892 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 9404001 is about 3066.5943650897. The cubic root of 9404001 is about 211.0753682075.

The spelling of 9404001 in words is "nine million, four hundred four thousand, one".