1005944 has 8 divisors (see below), whose sum is σ = 1886160. Its totient is φ = 502968.

The previous prime is 1005937. The next prime is 1005959. The reversal of 1005944 is 4495001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1005944² = 2023846662272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62864 + ... + 62879.

It is an arithmetic number, because the mean of its divisors is an integer number (235770).

2^1005944 is an apocalyptic number.

It is an amenable number.

1005944 is a deficient number, since it is larger than the sum of its proper divisors (880216).

1005944 is a wasteful number, since it uses less digits than its factorization.

1005944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125749 (or 125745 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1005944 is about 1002.9675966850. The cubic root of 1005944 is about 100.1977420564.

The spelling of 1005944 in words is "one million, five thousand, nine hundred forty-four".