338998369 has 4 divisors (see below), whose sum is σ = 346882096. Its totient is φ = 331114644.

The previous prime is 338998367. The next prime is 338998391. The reversal of 338998369 is 963899833.

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 a cyclic number.

It is not a de Polignac number, because 338998369 - 2¹ = 338998367 is a prime.

It is a super-2 number, since 2×338998369² = 229839788369320322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338998367) 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, 3941799 + ... + 3941884.

It is an arithmetic number, because the mean of its divisors is an integer number (86720524).

Almost surely, 2^338998369 is an apocalyptic number.

It is an amenable number.

338998369 is a deficient number, since it is larger than the sum of its proper divisors (7883727).

338998369 is an equidigital number, since it uses as much as digits as its factorization.

338998369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7883726.

The product of its digits is 7558272, while the sum is 58.

The square root of 338998369 is about 18411.9083475885. The cubic root of 338998369 is about 697.2671466577.

The spelling of 338998369 in words is "three hundred thirty-eight million, nine hundred ninety-eight thousand, three hundred sixty-nine".