2110401 has 8 divisors (see below), whose sum is σ = 3126560. Its totient is φ = 1406916.

The previous prime is 2110399. The next prime is 2110439. The reversal of 2110401 is 1040112.

It is a happy number.

It is not a de Polignac number, because 2110401 - 2¹ = 2110399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2110001) 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, 39055 + ... + 39108.

It is an arithmetic number, because the mean of its divisors is an integer number (390820).

2^2110401 is an apocalyptic number.

It is an amenable number.

2110401 is a deficient number, since it is larger than the sum of its proper divisors (1016159).

2110401 is an equidigital number, since it uses as much as digits as its factorization.

2110401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78172 (or 78166 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2110401 is about 1452.7219279683. The cubic root of 2110401 is about 128.2689859379.

Adding to 2110401 its reverse (1040112), we get a palindrome (3150513).

The spelling of 2110401 in words is "two million, one hundred ten thousand, four hundred one".