1648461 has 8 divisors (see below), whose sum is σ = 2257504. Its totient is φ = 1069200.

The previous prime is 1648453. The next prime is 1648481.

1648461 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1648461 - 2³ = 1648453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7315 + ... + 7536.

It is an arithmetic number, because the mean of its divisors is an integer number (282188).

2^1648461 is an apocalyptic number.

It is an amenable number.

1648461 is a deficient number, since it is larger than the sum of its proper divisors (609043).

1648461 is a wasteful number, since it uses less digits than its factorization.

1648461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891.

The product of its digits is 4608, while the sum is 30.

The square root of 1648461 is about 1283.9240631751. The cubic root of 1648461 is about 118.1298245559.

The spelling of 1648461 in words is "one million, six hundred forty-eight thousand, four hundred sixty-one".