338345147 has 8 divisors (see below), whose sum is σ = 394572000. Its totient is φ = 290009832.

The previous prime is 338345143. The next prime is 338345149. The reversal of 338345147 is 741543833.

It is not a de Polignac number, because 338345147 - 2² = 338345143 is a prime.

It is a super-2 number, since 2×338345147² = 228954876996903218, 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 338345147.

It is not an unprimeable number, because it can be changed into a prime (338345143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492872 + ... + 493557.

It is an arithmetic number, because the mean of its divisors is an integer number (49321500).

Almost surely, 2^338345147 is an apocalyptic number.

338345147 is a deficient number, since it is larger than the sum of its proper divisors (56226853).

338345147 is an frugal number, since it uses more digits than its factorization.

338345147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986450 (or 986436 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 338345147 is about 18394.1606766930. The cubic root of 338345147 is about 696.8189998556.

The spelling of 338345147 in words is "three hundred thirty-eight million, three hundred forty-five thousand, one hundred forty-seven".