2097947 has 8 divisors (see below), whose sum is σ = 2202240. Its totient is φ = 1995840.

The previous prime is 2097941. The next prime is 2097959. The reversal of 2097947 is 7497902.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2097947 - 2⁶ = 2097883 is a prime.

It is a super-2 number, since 2×2097947² = 8802763229618, 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 2097947.

It is not an unprimeable number, because it can be changed into a prime (2097941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622 + ... + 2612.

It is an arithmetic number, because the mean of its divisors is an integer number (275280).

2^2097947 is an apocalyptic number.

2097947 is a deficient number, since it is larger than the sum of its proper divisors (104293).

2097947 is an equidigital number, since it uses as much as digits as its factorization.

2097947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 2097947 is about 1448.4291491129. The cubic root of 2097947 is about 128.0161722730.

The spelling of 2097947 in words is "two million, ninety-seven thousand, nine hundred forty-seven".