1648996 has 6 divisors (see below), whose sum is σ = 2885750. Its totient is φ = 824496.

The previous prime is 1648987. The next prime is 1649003. The reversal of 1648996 is 6998461.

It can be written as a sum of positive squares in only one way, i.e., 902500 + 746496 = 950^2 + 864^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206121 + ... + 206128.

2^1648996 is an apocalyptic number.

It is an amenable number.

1648996 is a deficient number, since it is larger than the sum of its proper divisors (1236754).

1648996 is a wasteful number, since it uses less digits than its factorization.

1648996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412253 (or 412251 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 1648996 is about 1284.1323919285. The cubic root of 1648996 is about 118.1426026603.

The spelling of 1648996 in words is "one million, six hundred forty-eight thousand, nine hundred ninety-six".