7998353 has 4 divisors (see below), whose sum is σ = 8725488. Its totient is φ = 7271220.

The previous prime is 7998349. The next prime is 7998379. The reversal of 7998353 is 3538997.

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.

It is not a de Polignac number, because 7998353 - 2² = 7998349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7998383) 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, 363551 + ... + 363572.

It is an arithmetic number, because the mean of its divisors is an integer number (2181372).

Almost surely, 2^7998353 is an apocalyptic number.

It is an amenable number.

7998353 is a deficient number, since it is larger than the sum of its proper divisors (727135).

7998353 is a wasteful number, since it uses less digits than its factorization.

7998353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727134.

The product of its digits is 204120, while the sum is 44.

The square root of 7998353 is about 2828.1359585423. The cubic root of 7998353 is about 199.9862740580.

The spelling of 7998353 in words is "seven million, nine hundred ninety-eight thousand, three hundred fifty-three".