7998494 has 8 divisors (see below), whose sum is σ = 13711728. Its totient is φ = 3427920.

The previous prime is 7998491. The next prime is 7998509. The reversal of 7998494 is 4948997.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7998491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285647 + ... + 285674.

It is an arithmetic number, because the mean of its divisors is an integer number (1713966).

Almost surely, 2^7998494 is an apocalyptic number.

7998494 is a deficient number, since it is larger than the sum of its proper divisors (5713234).

7998494 is a wasteful number, since it uses less digits than its factorization.

7998494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571330.

The product of its digits is 653184, while the sum is 50.

The square root of 7998494 is about 2828.1608865126. The cubic root of 7998494 is about 199.9874492124.

The spelling of 7998494 in words is "seven million, nine hundred ninety-eight thousand, four hundred ninety-four".