1648912 has 20 divisors (see below), whose sum is σ = 3215196. Its totient is φ = 819200.

The previous prime is 1648909. The next prime is 1648919. The reversal of 1648912 is 2198461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1628176 + 20736 = 1276^2 + 144^2 .

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1648919) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3912 + ... + 4312.

2^1648912 is an apocalyptic number.

It is an amenable number.

1648912 is a deficient number, since it is larger than the sum of its proper divisors (1566284).

1648912 is a wasteful number, since it uses less digits than its factorization.

1648912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 660 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 1648912 is about 1284.0996846040. The cubic root of 1648912 is about 118.1405965614.

The spelling of 1648912 in words is "one million, six hundred forty-eight thousand, nine hundred twelve".