1338304188 has 48 divisors (see below), whose sum is σ = 3366840960. Its totient is φ = 411305664.

The previous prime is 1338304157. The next prime is 1338304189. The reversal of 1338304188 is 8814038331.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338304189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143203 + ... + 152261.

It is an arithmetic number, because the mean of its divisors is an integer number (70142520).

Almost surely, 2^1338304188 is an apocalyptic number.

It is an amenable number.

1338304188 is an abundant number, since it is smaller than the sum of its proper divisors (2028536772).

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

1338304188 is a wasteful number, since it uses less digits than its factorization.

1338304188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10026 (or 10024 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1338304188 is about 36582.8400756420. The cubic root of 1338304188 is about 1102.0085034198.

The spelling of 1338304188 in words is "one billion, three hundred thirty-eight million, three hundred four thousand, one hundred eighty-eight".