7984297 has 4 divisors (see below), whose sum is σ = 7990096. Its totient is φ = 7978500.

The previous prime is 7984261. The next prime is 7984331. The reversal of 7984297 is 7924897.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7924897 = 163 ⋅48619.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7984297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7984897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478 + ... + 4024.

It is an arithmetic number, because the mean of its divisors is an integer number (1997524).

Almost surely, 2^7984297 is an apocalyptic number.

It is an amenable number.

7984297 is a deficient number, since it is larger than the sum of its proper divisors (5799).

7984297 is a wasteful number, since it uses less digits than its factorization.

7984297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798.

The product of its digits is 254016, while the sum is 46.

The square root of 7984297 is about 2825.6498367632. The cubic root of 7984297 is about 199.8690559537.

It can be divided in two parts, 7984 and 297, that added together give a square (8281 = 91²).

The spelling of 7984297 in words is "seven million, nine hundred eighty-four thousand, two hundred ninety-seven".