2890217 has 4 divisors (see below), whose sum is σ = 3152976. Its totient is φ = 2627460.

The previous prime is 2890211. The next prime is 2890231. The reversal of 2890217 is 7120982.

It is a happy number.

2890217 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 2890217 - 2¹⁶ = 2824681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2890217.

It is not an unprimeable number, because it can be changed into a prime (2890211) 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, 131363 + ... + 131384.

It is an arithmetic number, because the mean of its divisors is an integer number (788244).

2^2890217 is an apocalyptic number.

It is an amenable number.

2890217 is a deficient number, since it is larger than the sum of its proper divisors (262759).

2890217 is a wasteful number, since it uses less digits than its factorization.

2890217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262758.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2890217 is about 1700.0638223314. The cubic root of 2890217 is about 142.4437779647.

The spelling of 2890217 in words is "two million, eight hundred ninety thousand, two hundred seventeen".