2889397 has 4 divisors (see below), whose sum is σ = 3302176. Its totient is φ = 2476620.

The previous prime is 2889389. The next prime is 2889427. The reversal of 2889397 is 7939882.

2889397 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 a cyclic number.

It is not a de Polignac number, because 2889397 - 2³ = 2889389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889317) 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, 206379 + ... + 206392.

It is an arithmetic number, because the mean of its divisors is an integer number (825544).

2^2889397 is an apocalyptic number.

It is an amenable number.

2889397 is a deficient number, since it is larger than the sum of its proper divisors (412779).

2889397 is an equidigital number, since it uses as much as digits as its factorization.

2889397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412778.

The product of its digits is 217728, while the sum is 46.

The square root of 2889397 is about 1699.8226378067. The cubic root of 2889397 is about 142.4303055108.

The spelling of 2889397 in words is "two million, eight hundred eighty-nine thousand, three hundred ninety-seven".