338889049 has 4 divisors (see below), whose sum is σ = 345283236. Its totient is φ = 332494864.

The previous prime is 338889043. The next prime is 338889077. The reversal of 338889049 is 940988833.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 172659600 + 166229449 = 13140^2 + 12893^2 .

It is a de Polignac number, because none of the positive numbers 2^k-338889049 is a prime.

It is a super-2 number, since 2×338889049² = 229691575064248802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 338888987 and 338889005.

It is not an unprimeable number, because it can be changed into a prime (338889043) 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, 3197014 + ... + 3197119.

It is an arithmetic number, because the mean of its divisors is an integer number (86320809).

Almost surely, 2^338889049 is an apocalyptic number.

It is an amenable number.

338889049 is a deficient number, since it is larger than the sum of its proper divisors (6394187).

338889049 is an equidigital number, since it uses as much as digits as its factorization.

338889049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394186.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 338889049 is about 18408.9393773786. The cubic root of 338889049 is about 697.1921871627.

The spelling of 338889049 in words is "three hundred thirty-eight million, eight hundred eighty-nine thousand, forty-nine".