1825648 has 60 divisors (see below), whose sum is σ = 4155984. Its totient is φ = 774400.

The previous prime is 1825631. The next prime is 1825661. The reversal of 1825648 is 8465281.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44508 + ... + 44548.

2^1825648 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 1825648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2077992).

1825648 is an abundant number, since it is smaller than the sum of its proper divisors (2330336).

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

1825648 is a wasteful number, since it uses less digits than its factorization.

1825648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 77 counting only the distinct ones).

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

The square root of 1825648 is about 1351.1654228850. The cubic root of 1825648 is about 122.2190814008.

The spelling of 1825648 in words is "one million, eight hundred twenty-five thousand, six hundred forty-eight".