1648464 has 40 divisors (see below), whose sum is σ = 4336032. Its totient is φ = 539520.

The previous prime is 1648453. The next prime is 1648481. The reversal of 1648464 is 4648461.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647 + ... + 3209.

2^1648464 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 1648464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2168016).

1648464 is an abundant number, since it is smaller than the sum of its proper divisors (2687568).

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

1648464 is a wasteful number, since it uses less digits than its factorization.

1648464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 629 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 1648464 is about 1283.9252314679. The cubic root of 1648464 is about 118.1298962165.

It can be divided in two parts, 1648 and 464, that added together give a palindrome (2112).

The spelling of 1648464 in words is "one million, six hundred forty-eight thousand, four hundred sixty-four".