2904897 has 4 divisors (see below), whose sum is σ = 3873200. Its totient is φ = 1936596.

The previous prime is 2904893. The next prime is 2904947. The reversal of 2904897 is 7984092.

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 2904897 - 2² = 2904893 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2904893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484147 + ... + 484152.

It is an arithmetic number, because the mean of its divisors is an integer number (968300).

2^2904897 is an apocalyptic number.

It is an amenable number.

2904897 is a deficient number, since it is larger than the sum of its proper divisors (968303).

2904897 is an equidigital number, since it uses as much as digits as its factorization.

2904897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968302.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2904897 is about 1704.3758388337. The cubic root of 2904897 is about 142.6845377745.

The spelling of 2904897 in words is "two million, nine hundred four thousand, eight hundred ninety-seven".