1055444 has 12 divisors (see below), whose sum is σ = 1989204. Its totient is φ = 487104.

The previous prime is 1055437. The next prime is 1055471. The reversal of 1055444 is 4445501.

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 739600 = 562^2 + 860^2 .

It is a super-2 number, since 2×1055444² = 2227924074272, 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 in 3 ways as a sum of consecutive naturals, for example, 10097 + ... + 10200.

It is an arithmetic number, because the mean of its divisors is an integer number (165767).

2^1055444 is an apocalyptic number.

It is an amenable number.

1055444 is a deficient number, since it is larger than the sum of its proper divisors (933760).

1055444 is a wasteful number, since it uses less digits than its factorization.

1055444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20314 (or 20312 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1055444 is about 1027.3480422914. The cubic root of 1055444 is about 101.8149920731.

The spelling of 1055444 in words is "one million, fifty-five thousand, four hundred forty-four".