1632648 has 32 divisors (see below), whose sum is σ = 4154400. Its totient is φ = 534528.

The previous prime is 1632647. The next prime is 1632649. The reversal of 1632648 is 8462361.

It is an interprime number because it is at equal distance from previous prime (1632647) and next prime (1632649).

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 1 + 6 + 3¹⁰ + 2¹⁹ + 6³ + 4¹⁰ + 8³ .

It is not an unprimeable number, because it can be changed into a prime (1632647) 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, 840 + ... + 1992.

It is an arithmetic number, because the mean of its divisors is an integer number (129825).

2^1632648 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 1632648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2077200).

1632648 is an abundant number, since it is smaller than the sum of its proper divisors (2521752).

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

1632648 is a wasteful number, since it uses less digits than its factorization.

1632648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1217 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 1632648 is about 1277.7511494810. The cubic root of 1632648 is about 117.7508868898.

The spelling of 1632648 in words is "one million, six hundred thirty-two thousand, six hundred forty-eight".