7984491 has 4 divisors (see below), whose sum is σ = 10645992. Its totient is φ = 5322992.

The previous prime is 7984439. The next prime is 7984513. The reversal of 7984491 is 1944897.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7984491 - 2⁹ = 7983979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7984421) 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, 1330746 + ... + 1330751.

It is an arithmetic number, because the mean of its divisors is an integer number (2661498).

Almost surely, 2^7984491 is an apocalyptic number.

7984491 is a deficient number, since it is larger than the sum of its proper divisors (2661501).

7984491 is a wasteful number, since it uses less digits than its factorization.

7984491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661500.

The product of its digits is 72576, while the sum is 42.

The square root of 7984491 is about 2825.6841649413. The cubic root of 7984491 is about 199.8706747262.

The spelling of 7984491 in words is "seven million, nine hundred eighty-four thousand, four hundred ninety-one".