7998097 has 4 divisors (see below), whose sum is σ = 8029476. Its totient is φ = 7966720.

The previous prime is 7998091. The next prime is 7998101. The reversal of 7998097 is 7908997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7908997 = 19 ⋅416263.

It can be written as a sum of positive squares in 2 ways, for example, as 6548481 + 1449616 = 2559^2 + 1204^2 .

It is a cyclic number.

It is not a de Polignac number, because 7998097 - 2¹¹ = 7996049 is a prime.

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 7998097.

It is not an unprimeable number, because it can be changed into a prime (7998091) 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, 15304 + ... + 15817.

It is an arithmetic number, because the mean of its divisors is an integer number (2007369).

Almost surely, 2^7998097 is an apocalyptic number.

It is an amenable number.

7998097 is a deficient number, since it is larger than the sum of its proper divisors (31379).

7998097 is a wasteful number, since it uses less digits than its factorization.

7998097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31378.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 7998097 is about 2828.0906986870. The cubic root of 7998097 is about 199.9841404091.

The spelling of 7998097 in words is "seven million, nine hundred ninety-eight thousand, ninety-seven".