1439056 has 20 divisors (see below), whose sum is σ = 2842452. Its totient is φ = 705536.

The previous prime is 1439047. The next prime is 1439071. The reversal of 1439056 is 6509341.

1439056 is a nontrivial binomial coefficient, being equal to C(1697, 2).

It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 193600 = 1116^2 + 440^2 .

It is a super-2 number, since 2×1439056² = 4141764342272, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

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, 1 + ... + 1696.

2^1439056 is an apocalyptic number.

1439056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1439056 is the 1696-th triangular number.

1439056 is the 566-th centered nonagonal number.

It is an amenable number.

1439056 is a deficient number, since it is larger than the sum of its proper divisors (1403396).

1439056 is a wasteful number, since it uses less digits than its factorization.

1439056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1439056 is about 1199.6066021826. The cubic root of 1439056 is about 112.8996420157.

The spelling of 1439056 in words is "one million, four hundred thirty-nine thousand, fifty-six".