1439456 has 12 divisors (see below), whose sum is σ = 2833992. Its totient is φ = 719712.

The previous prime is 1439447. The next prime is 1439513. The reversal of 1439456 is 6549341.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 44983 = 1439456 / (1 + 4 + 3 + 9 + 4 + 5 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22460 + ... + 22523.

It is an arithmetic number, because the mean of its divisors is an integer number (236166).

2^1439456 is an apocalyptic number.

1439456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1439456 is a deficient number, since it is larger than the sum of its proper divisors (1394536).

1439456 is an equidigital number, since it uses as much as digits as its factorization.

1439456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44993 (or 44985 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 1439456 is about 1199.7733119219. The cubic root of 1439456 is about 112.9101015747.

The spelling of 1439456 in words is "one million, four hundred thirty-nine thousand, four hundred fifty-six".