2289977 has 4 divisors (see below), whose sum is σ = 2294400. Its totient is φ = 2285556.

The previous prime is 2289961. The next prime is 2289979. The reversal of 2289977 is 7799822.

2289977 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 2289977 - 2⁴ = 2289961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2289979) 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, 1313 + ... + 2510.

It is an arithmetic number, because the mean of its divisors is an integer number (573600).

2^2289977 is an apocalyptic number.

It is an amenable number.

2289977 is a deficient number, since it is larger than the sum of its proper divisors (4423).

2289977 is an equidigital number, since it uses as much as digits as its factorization.

2289977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422.

The product of its digits is 127008, while the sum is 44.

The square root of 2289977 is about 1513.2669956092. The cubic root of 2289977 is about 131.8085877354.

The spelling of 2289977 in words is "two million, two hundred eighty-nine thousand, nine hundred seventy-seven".