1648528 has 40 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 687360.

The previous prime is 1648523. The next prime is 1648529. The reversal of 1648528 is 8258461.

It is a junction number, because it is equal to n+sod(n) for n = 1648493 and 1648502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648523) 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, 4413 + ... + 4771.

It is an arithmetic number, because the mean of its divisors is an integer number (93744).

2^1648528 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 1648528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874880).

1648528 is an abundant number, since it is smaller than the sum of its proper divisors (2101232).

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

1648528 is a wasteful number, since it uses less digits than its factorization.

1648528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 409 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 1648528 is about 1283.9501547957. The cubic root of 1648528 is about 118.1314249559.

The spelling of 1648528 in words is "one million, six hundred forty-eight thousand, five hundred twenty-eight".