2889401 has 4 divisors (see below), whose sum is σ = 2943972. Its totient is φ = 2834832.

The previous prime is 2889389. The next prime is 2889427. The reversal of 2889401 is 1049882.

It is a happy number.

2889401 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 an emirpimes, since its reverse is a distinct semiprime: 1049882 = 2 ⋅524941.

It can be written as a sum of positive squares in 2 ways, for example, as 2399401 + 490000 = 1549^2 + 700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2889401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2889461) 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, 27206 + ... + 27311.

It is an arithmetic number, because the mean of its divisors is an integer number (735993).

2^2889401 is an apocalyptic number.

It is an amenable number.

2889401 is a deficient number, since it is larger than the sum of its proper divisors (54571).

2889401 is an equidigital number, since it uses as much as digits as its factorization.

2889401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54570.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2889401 is about 1699.8238143996. The cubic root of 2889401 is about 142.4303712362.

The spelling of 2889401 in words is "two million, eight hundred eighty-nine thousand, four hundred one".