1048644 has 18 divisors (see below), whose sum is σ = 2650830. Its totient is φ = 349536.

The previous prime is 1048633. The next prime is 1048661. The reversal of 1048644 is 4468401.

1048644 is a `hidden beast` number, since 10 + 4 + 8 + 644 = 666.

It can be written as a sum of positive squares in only one way, i.e., 788544 + 260100 = 888^2 + 510^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14529 + ... + 14600.

2^1048644 is an apocalyptic number.

It is an amenable number.

1048644 is an abundant number, since it is smaller than the sum of its proper divisors (1602186).

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

1048644 is a wasteful number, since it uses less digits than its factorization.

1048644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29139 (or 29134 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1048644 is about 1024.0332025867. The cubic root of 1048644 is about 101.5958633900.

The spelling of 1048644 in words is "one million, forty-eight thousand, six hundred forty-four".