338906946 has 16 divisors (see below), whose sum is σ = 774644544. Its totient is φ = 96830544.

The previous prime is 338906941. The next prime is 338906957. The reversal of 338906946 is 649609833.

It is a super-2 number, since 2×338906946² = 229715836094093832, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 338906895 and 338906904.

It is not an unprimeable number, because it can be changed into a prime (338906941) 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, 4034565 + ... + 4034648.

It is an arithmetic number, because the mean of its divisors is an integer number (48415284).

Almost surely, 2^338906946 is an apocalyptic number.

338906946 is an abundant number, since it is smaller than the sum of its proper divisors (435737598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

338906946 is a wasteful number, since it uses less digits than its factorization.

338906946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8069225.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 338906946 is about 18409.4254663202. The cubic root of 338906946 is about 697.2044600378.

The spelling of 338906946 in words is "three hundred thirty-eight million, nine hundred six thousand, nine hundred forty-six".