1938338 has 8 divisors (see below), whose sum is σ = 2918700. Its totient is φ = 965440.

The previous prime is 1938317. The next prime is 1938359. The reversal of 1938338 is 8338391.

It is an interprime number because it is at equal distance from previous prime (1938317) and next prime (1938359).

It can be written as a sum of positive squares in 2 ways, for example, as 1803649 + 134689 = 1343^2 + 367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1938298 and 1938307.

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 3 ways as a sum of consecutive naturals, for example, 1163 + ... + 2286.

2^1938338 is an apocalyptic number.

1938338 is a deficient number, since it is larger than the sum of its proper divisors (980362).

1938338 is a wasteful number, since it uses less digits than its factorization.

1938338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732.

The product of its digits is 15552, while the sum is 35.

The square root of 1938338 is about 1392.2420766519. The cubic root of 1938338 is about 124.6837445346.

The spelling of 1938338 in words is "one million, nine hundred thirty-eight thousand, three hundred thirty-eight".