1055644 has 6 divisors (see below), whose sum is σ = 1847384. Its totient is φ = 527820.

The previous prime is 1055611. The next prime is 1055671. The reversal of 1055644 is 4465501.

It is a super-2 number, since 2×1055644² = 2228768509472, 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, 131952 + ... + 131959.

2^1055644 is an apocalyptic number.

It is an amenable number.

1055644 is a deficient number, since it is larger than the sum of its proper divisors (791740).

1055644 is a wasteful number, since it uses less digits than its factorization.

1055644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263915 (or 263913 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1055644 is about 1027.4453756770. The cubic root of 1055644 is about 101.8214227671.

It can be divided in two parts, 10556 and 44, that multiplied together give a palindrome (464464).

The spelling of 1055644 in words is "one million, fifty-five thousand, six hundred forty-four".