1041644 has 6 divisors (see below), whose sum is σ = 1822884. Its totient is φ = 520820.

The previous prime is 1041643. The next prime is 1041653. The reversal of 1041644 is 4461401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1041643) 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 as a sum of consecutive naturals, namely, 130202 + ... + 130209.

It is an arithmetic number, because the mean of its divisors is an integer number (303814).

2^1041644 is an apocalyptic number.

It is an amenable number.

1041644 is a deficient number, since it is larger than the sum of its proper divisors (781240).

1041644 is a wasteful number, since it uses less digits than its factorization.

1041644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260415 (or 260413 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1041644 is about 1020.6096217457. The cubic root of 1041644 is about 101.3692979836.

The spelling of 1041644 in words is "one million, forty-one thousand, six hundred forty-four".