1648955 has 16 divisors (see below), whose sum is σ = 2467584. Its totient is φ = 1027680.

The previous prime is 1648951. The next prime is 1648963. The reversal of 1648955 is 5598461.

It is not a de Polignac number, because 1648955 - 2² = 1648951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1648951) 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 15 ways as a sum of consecutive naturals, for example, 1757 + ... + 2526.

It is an arithmetic number, because the mean of its divisors is an integer number (154224).

2^1648955 is an apocalyptic number.

1648955 is a deficient number, since it is larger than the sum of its proper divisors (818629).

1648955 is a wasteful number, since it uses less digits than its factorization.

1648955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306.

The product of its digits is 43200, while the sum is 38.

The square root of 1648955 is about 1284.1164277432. The cubic root of 1648955 is about 118.1416235015.

It can be divided in two parts, 164 and 8955, that added together give a palindrome (9119).

The spelling of 1648955 in words is "one million, six hundred forty-eight thousand, nine hundred fifty-five".