1439648 has 24 divisors (see below), whose sum is σ = 3239712. Its totient is φ = 616896.

The previous prime is 1439579. The next prime is 1439651. The reversal of 1439648 is 8469341.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2990 + ... + 3437.

It is an arithmetic number, because the mean of its divisors is an integer number (134988).

2^1439648 is an apocalyptic number.

It is an amenable number.

1439648 is an abundant number, since it is smaller than the sum of its proper divisors (1800064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1439648 is an equidigital number, since it uses as much as digits as its factorization.

1439648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444 (or 6436 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 1439648 is about 1199.8533243693. The cubic root of 1439648 is about 112.9151214747.

The spelling of 1439648 in words is "one million, four hundred thirty-nine thousand, six hundred forty-eight".