1439938 has 12 divisors (see below), whose sum is σ = 2259558. Its totient is φ = 688160.

The previous prime is 1439927. The next prime is 1439947. The reversal of 1439938 is 8399341.

It can be written as a sum of positive squares in only one way, i.e., 1375929 + 64009 = 1173^2 + 253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1439897 and 1439906.

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, 378 + ... + 1738.

2^1439938 is an apocalyptic number.

1439938 is a deficient number, since it is larger than the sum of its proper divisors (819620).

1439938 is a wasteful number, since it uses less digits than its factorization.

1439938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1386 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 1439938 is about 1199.9741663886. The cubic root of 1439938 is about 112.9227027693.

The spelling of 1439938 in words is "one million, four hundred thirty-nine thousand, nine hundred thirty-eight".