9558401 has 8 divisors (see below), whose sum is σ = 9775104. Its totient is φ = 9344160.

The previous prime is 9558397. The next prime is 9558407. The reversal of 9558401 is 1048559.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9558401 - 2² = 9558397 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9558407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8756 + ... + 9786.

It is an arithmetic number, because the mean of its divisors is an integer number (1221888).

Almost surely, 2^9558401 is an apocalyptic number.

It is an amenable number.

9558401 is a deficient number, since it is larger than the sum of its proper divisors (216703).

9558401 is a wasteful number, since it uses less digits than its factorization.

9558401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 9558401 is about 3091.6663791554. Note that the first 3 decimals coincide. The cubic root of 9558401 is about 212.2242864832.

The spelling of 9558401 in words is "nine million, five hundred fifty-eight thousand, four hundred one".