9643401 has 16 divisors (see below), whose sum is σ = 14334400. Its totient is φ = 6407424.

The previous prime is 9643391. The next prime is 9643427. The reversal of 9643401 is 1043469.

It is not a de Polignac number, because 9643401 - 2⁹ = 9642889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

9643401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9643441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15270 + ... + 15888.

It is an arithmetic number, because the mean of its divisors is an integer number (895900).

Almost surely, 2^9643401 is an apocalyptic number.

It is an amenable number.

9643401 is a deficient number, since it is larger than the sum of its proper divisors (4690999).

9643401 is a wasteful number, since it uses less digits than its factorization.

9643401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 9643401 is about 3105.3825851254. The cubic root of 9643401 is about 212.8515132536.

The spelling of 9643401 in words is "nine million, six hundred forty-three thousand, four hundred one".