7998369 has 8 divisors (see below), whose sum is σ = 10681440. Its totient is φ = 5323776.

The previous prime is 7998349. The next prime is 7998379. The reversal of 7998369 is 9638997.

7998369 is nontrivially palindromic in base 14.

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

It is not a de Polignac number, because 7998369 - 2⁵ = 7998337 is a prime.

It is a super-2 number, since 2×7998369² = 127947813320322, which contains 22 as substring.

7998369 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7998349) 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 7 ways as a sum of consecutive naturals, for example, 574 + ... + 4040.

It is an arithmetic number, because the mean of its divisors is an integer number (1335180).

Almost surely, 2^7998369 is an apocalyptic number.

It is an amenable number.

7998369 is a deficient number, since it is larger than the sum of its proper divisors (2683071).

7998369 is a wasteful number, since it uses less digits than its factorization.

7998369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239.

The product of its digits is 734832, while the sum is 51.

The square root of 7998369 is about 2828.1387872592. The cubic root of 7998369 is about 199.9864074096.

The spelling of 7998369 in words is "seven million, nine hundred ninety-eight thousand, three hundred sixty-nine".