2097147 has 8 divisors (see below), whose sum is σ = 3011344. Its totient is φ = 1290528.

The previous prime is 2097143. The next prime is 2097169. The reversal of 2097147 is 7417902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2097147 - 2² = 2097143 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26848 + ... + 26925.

It is an arithmetic number, because the mean of its divisors is an integer number (376418).

2^2097147 is an apocalyptic number.

2097147 is a deficient number, since it is larger than the sum of its proper divisors (914197).

2097147 is a wasteful number, since it uses less digits than its factorization.

2097147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53789.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 2097147 is about 1448.1529615341. The cubic root of 2097147 is about 127.9998982747. Note that the first 3 decimals are identical.

The spelling of 2097147 in words is "two million, ninety-seven thousand, one hundred forty-seven".