338977198 has 24 divisors (see below), whose sum is σ = 592617600. Its totient is φ = 144996768.

The previous prime is 338977193. The next prime is 338977211. The reversal of 338977198 is 891779833.

It is a super-2 number, since 2×338977198² = 229811081527862408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338977193) 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 11 ways as a sum of consecutive naturals, for example, 52723 + ... + 58801.

It is an arithmetic number, because the mean of its divisors is an integer number (24692400).

Almost surely, 2^338977198 is an apocalyptic number.

338977198 is a deficient number, since it is larger than the sum of its proper divisors (253640402).

338977198 is a wasteful number, since it uses less digits than its factorization.

338977198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664 (or 6657 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 55.

The square root of 338977198 is about 18411.3334117874. Note that the first 3 decimals coincide. The cubic root of 338977198 is about 697.2526311994.

The spelling of 338977198 in words is "three hundred thirty-eight million, nine hundred seventy-seven thousand, one hundred ninety-eight".