338773642 has 12 divisors (see below), whose sum is σ = 525084498. Its totient is φ = 163921800.

The previous prime is 338773639. The next prime is 338773709. The reversal of 338773642 is 246377833.

It can be written as a sum of positive squares in only one way, i.e., 279190681 + 59582961 = 16709^2 + 7719^2 .

It is a super-2 number, since 2×338773642² = 229535161027888328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86209 + ... + 90052.

Almost surely, 2^338773642 is an apocalyptic number.

338773642 is a deficient number, since it is larger than the sum of its proper divisors (186310856).

338773642 is a wasteful number, since it uses less digits than its factorization.

338773642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176325 (or 176294 counting only the distinct ones).

The product of its digits is 508032, while the sum is 43.

The square root of 338773642 is about 18405.8045735578. The cubic root of 338773642 is about 697.1130363863.

The spelling of 338773642 in words is "three hundred thirty-eight million, seven hundred seventy-three thousand, six hundred forty-two".