3047897 has 4 divisors (see below), whose sum is σ = 3093456. Its totient is φ = 3002340.

The previous prime is 3047861. The next prime is 3047909. The reversal of 3047897 is 7987403.

3047897 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 a de Polignac number, because none of the positive numbers 2^k-3047897 is a prime.

It is a super-2 number, since 2×3047897² = 18579352245218, which contains 22 as substring.

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 3047897.

It is not an unprimeable number, because it can be changed into a prime (3047197) 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, 22679 + ... + 22812.

It is an arithmetic number, because the mean of its divisors is an integer number (773364).

Almost surely, 2^3047897 is an apocalyptic number.

It is an amenable number.

3047897 is a deficient number, since it is larger than the sum of its proper divisors (45559).

3047897 is an equidigital number, since it uses as much as digits as its factorization.

3047897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45558.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 3047897 is about 1745.8227286870. The cubic root of 3047897 is about 144.9884572659.

The spelling of 3047897 in words is "three million, forty-seven thousand, eight hundred ninety-seven".