338978071 has 8 divisors (see below), whose sum is σ = 365914080. Its totient is φ = 313058592.

The previous prime is 338978051. The next prime is 338978077. The reversal of 338978071 is 170879833.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 338978071 - 2⁵ = 338978039 is a prime.

It is a super-2 number, since 2×338978071² = 229812265237762082, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338978077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253440 + ... + 254773.

It is an arithmetic number, because the mean of its divisors is an integer number (45739260).

Almost surely, 2^338978071 is an apocalyptic number.

338978071 is a deficient number, since it is larger than the sum of its proper divisors (26936009).

338978071 is a wasteful number, since it uses less digits than its factorization.

338978071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508265.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 338978071 is about 18411.3571199953. The cubic root of 338978071 is about 697.2532297657.

The spelling of 338978071 in words is "three hundred thirty-eight million, nine hundred seventy-eight thousand, seventy-one".