338087969 has 4 divisors (see below), whose sum is σ = 338766000. Its totient is φ = 337409940.

The previous prime is 338087923. The next prime is 338087983. The reversal of 338087969 is 969780833.

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 a de Polignac number, because none of the positive numbers 2^k-338087969 is a prime.

It is a super-2 number, since 2×338087969² = 228606949565089922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 338087969.

It is not an unprimeable number, because it can be changed into a prime (338087069) 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, 338267 + ... + 339264.

It is an arithmetic number, because the mean of its divisors is an integer number (84691500).

Almost surely, 2^338087969 is an apocalyptic number.

It is an amenable number.

338087969 is a deficient number, since it is larger than the sum of its proper divisors (678031).

338087969 is an equidigital number, since it uses as much as digits as its factorization.

338087969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678030.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 338087969 is about 18387.1685966056. The cubic root of 338087969 is about 696.6424031241.

The spelling of 338087969 in words is "three hundred thirty-eight million, eighty-seven thousand, nine hundred sixty-nine".