1912648 has 8 divisors (see below), whose sum is σ = 3586230. Its totient is φ = 956320.

The previous prime is 1912643. The next prime is 1912661. The reversal of 1912648 is 8462191.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1397124 + 515524 = 1182^2 + 718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1912643) 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 as a sum of consecutive naturals, namely, 119533 + ... + 119548.

2^1912648 is an apocalyptic number.

It is an amenable number.

1912648 is a deficient number, since it is larger than the sum of its proper divisors (1673582).

1912648 is a wasteful number, since it uses less digits than its factorization.

1912648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239087 (or 239083 counting only the distinct ones).

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

The square root of 1912648 is about 1382.9851770717. The cubic root of 1912648 is about 124.1304558362.

The spelling of 1912648 in words is "one million, nine hundred twelve thousand, six hundred forty-eight".