1046644 has 12 divisors (see below), whose sum is σ = 1866564. Its totient is φ = 513344.

The previous prime is 1046641. The next prime is 1046657. The reversal of 1046644 is 4466401.

It can be written as a sum of positive squares in 2 ways, for example, as 608400 + 438244 = 780^2 + 662^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257 + ... + 2680.

It is an arithmetic number, because the mean of its divisors is an integer number (155547).

2^1046644 is an apocalyptic number.

It is an amenable number.

1046644 is a deficient number, since it is larger than the sum of its proper divisors (819920).

1046644 is a wasteful number, since it uses less digits than its factorization.

1046644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994 (or 4992 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1046644 is about 1023.0562056896. The cubic root of 1046644 is about 101.5312335629.

The spelling of 1046644 in words is "one million, forty-six thousand, six hundred forty-four".