1675648 has 64 divisors (see below), whose sum is σ = 3855600. Its totient is φ = 718848.

The previous prime is 1675637. The next prime is 1675679. The reversal of 1675648 is 8465761.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31590 + ... + 31642.

2^1675648 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 1675648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927800).

1675648 is an abundant number, since it is smaller than the sum of its proper divisors (2179952).

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

1675648 is a wasteful number, since it uses less digits than its factorization.

1675648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 87 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 1675648 is about 1294.4682305874. The cubic root of 1675648 is about 118.7756997009.

The spelling of 1675648 in words is "one million, six hundred seventy-five thousand, six hundred forty-eight".