9810401 has 4 divisors (see below), whose sum is σ = 9820932. Its totient is φ = 9799872.

The previous prime is 9810389. The next prime is 9810413. The reversal of 9810401 is 1040189.

9810401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (9810389) and next prime (9810413).

It can be written as a sum of positive squares in 2 ways, for example, as 5058001 + 4752400 = 2249^2 + 2180^2 .

It is a cyclic number.

It is not a de Polignac number, because 9810401 - 2⁶ = 9810337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9810421) 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, 3716 + ... + 5781.

It is an arithmetic number, because the mean of its divisors is an integer number (2455233).

Almost surely, 2^9810401 is an apocalyptic number.

It is an amenable number.

9810401 is a deficient number, since it is larger than the sum of its proper divisors (10531).

9810401 is a wasteful number, since it uses less digits than its factorization.

9810401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 9810401 is about 3132.1559667424. The cubic root of 9810401 is about 214.0731764189.

The spelling of 9810401 in words is "nine million, eight hundred ten thousand, four hundred one".