338507830 has 16 divisors (see below), whose sum is σ = 609528960. Its totient is φ = 135355392.

The previous prime is 338507821. The next prime is 338507837. The reversal of 338507830 is 38705833.

It is a super-2 number, since 2×338507830² = 229175101942617800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338507830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338507837) 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, 42742 + ... + 50038.

It is an arithmetic number, because the mean of its divisors is an integer number (38095560).

Almost surely, 2^338507830 is an apocalyptic number.

338507830 is a deficient number, since it is larger than the sum of its proper divisors (271021130).

338507830 is a wasteful number, since it uses less digits than its factorization.

338507830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11943.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 338507830 is about 18398.5822823390. The cubic root of 338507830 is about 696.9306633867.

The spelling of 338507830 in words is "three hundred thirty-eight million, five hundred seven thousand, eight hundred thirty".