1648536 has 32 divisors (see below), whose sum is σ = 4158000. Its totient is φ = 544640.

The previous prime is 1648531. The next prime is 1648553. The reversal of 1648536 is 6358461.

1648536 is nontrivially palindromic in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1648497 and 1648506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648531) 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, 3346 + ... + 3806.

2^1648536 is an apocalyptic number.

It is an amenable number.

1648536 is an abundant number, since it is smaller than the sum of its proper divisors (2509464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1648536 is a wasteful number, since it uses less digits than its factorization.

1648536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 615 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 1648536 is about 1283.9532701777. The cubic root of 1648536 is about 118.1316160455.

The spelling of 1648536 in words is "one million, six hundred forty-eight thousand, five hundred thirty-six".