1648036 has 24 divisors (see below), whose sum is σ = 3185784. Its totient is φ = 741120.

The previous prime is 1648021. The next prime is 1648039. The reversal of 1648036 is 6308461.

It can be written as a sum of positive squares in 4 ways, for example, as 193600 + 1454436 = 440^2 + 1206^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1647995 and 1648013.

It is not an unprimeable number, because it can be changed into a prime (1648039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1746 + ... + 2518.

It is an arithmetic number, because the mean of its divisors is an integer number (132741).

2^1648036 is an apocalyptic number.

It is an amenable number.

1648036 is a deficient number, since it is larger than the sum of its proper divisors (1537748).

1648036 is a wasteful number, since it uses less digits than its factorization.

1648036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1648036 is about 1283.7585442754. The cubic root of 1648036 is about 118.1196717547.

It can be divided in two parts, 164 and 8036, that multiplied together give a square (1317904 = 1148²).

The spelling of 1648036 in words is "one million, six hundred forty-eight thousand, thirty-six".