9864401 has 8 divisors (see below), whose sum is σ = 10835520. Its totient is φ = 8938512.

The previous prime is 9864397. The next prime is 9864427. The reversal of 9864401 is 1044689.

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

It is not a de Polignac number, because 9864401 - 2² = 9864397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9864601) 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, 10850 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (1354440).

Almost surely, 2^9864401 is an apocalyptic number.

It is an amenable number.

9864401 is a deficient number, since it is larger than the sum of its proper divisors (971119).

9864401 is a wasteful number, since it uses less digits than its factorization.

9864401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22615.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 9864401 is about 3140.7643974039. The cubic root of 9864401 is about 214.4652367127.

The spelling of 9864401 in words is "nine million, eight hundred sixty-four thousand, four hundred one".