1055664 has 30 divisors (see below), whose sum is σ = 2954796. Its totient is φ = 351840.

The previous prime is 1055611. The next prime is 1055671. The reversal of 1055664 is 4665501.

It is a happy number.

It is a super-2 number, since 2×1055664² = 2228852961792, which contains 22 as substring.

It is a zygodrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3522 + ... + 3809.

2^1055664 is an apocalyptic number.

It is an amenable number.

1055664 is an abundant number, since it is smaller than the sum of its proper divisors (1899132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055664 is a wasteful number, since it uses less digits than its factorization.

1055664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7345 (or 7336 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1055664 is about 1027.4551085084. The cubic root of 1055664 is about 101.8220657919.

It can be divided in two parts, 105566 and 4, that added together give a triangular number (105570 = T₄₅₉).

The spelling of 1055664 in words is "one million, fifty-five thousand, six hundred sixty-four".