338138630 has 16 divisors (see below), whose sum is σ = 640684080. Its totient is φ = 128136672.

The previous prime is 338138629. The next prime is 338138651. The reversal of 338138630 is 36831833.

It is a super-2 number, since 2×338138630² = 228675466196553800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889649 + ... + 890028.

It is an arithmetic number, because the mean of its divisors is an integer number (40042755).

Almost surely, 2^338138630 is an apocalyptic number.

338138630 is a deficient number, since it is larger than the sum of its proper divisors (302545450).

338138630 is a wasteful number, since it uses less digits than its factorization.

338138630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779703.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 338138630 is about 18388.5461633050. The cubic root of 338138630 is about 696.6771976563.

The spelling of 338138630 in words is "three hundred thirty-eight million, one hundred thirty-eight thousand, six hundred thirty".