2905401 has 4 divisors (see below), whose sum is σ = 3873872. Its totient is φ = 1936932.

The previous prime is 2905393. The next prime is 2905403. The reversal of 2905401 is 1045092.

2905401 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 Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2905401 - 2³ = 2905393 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

2905401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2905403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484231 + ... + 484236.

It is an arithmetic number, because the mean of its divisors is an integer number (968468).

2^2905401 is an apocalyptic number.

It is an amenable number.

2905401 is a deficient number, since it is larger than the sum of its proper divisors (968471).

2905401 is an equidigital number, since it uses as much as digits as its factorization.

2905401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968470.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2905401 is about 1704.5236871337. The cubic root of 2905401 is about 142.6927892258.

The spelling of 2905401 in words is "two million, nine hundred five thousand, four hundred one".