1559648 has 48 divisors (see below), whose sum is σ = 3374784. Its totient is φ = 706560.

The previous prime is 1559647. The next prime is 1559651. The reversal of 1559648 is 8469551.

1559648 is nontrivially palindromic in base 9.

Its product of digits (43200) is a multiple of the sum of its prime factors (135).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1559647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25538 + ... + 25598.

It is an arithmetic number, because the mean of its divisors is an integer number (70308).

2^1559648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1559648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1687392).

1559648 is an abundant number, since it is smaller than the sum of its proper divisors (1815136).

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

1559648 is a wasteful number, since it uses less digits than its factorization.

1559648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 127 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 1559648 is about 1248.8586789545. The cubic root of 1559648 is about 115.9690761802.

Subtracting 1559648 from its reverse (8469551), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 1559648 in words is "one million, five hundred fifty-nine thousand, six hundred forty-eight".