1055864 has 16 divisors (see below), whose sum is σ = 2014200. Its totient is φ = 518752.

The previous prime is 1055863. The next prime is 1055867. The reversal of 1055864 is 4685501.

It is a happy number.

It is a super-2 number, since 2×1055864² = 2229697572992, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647 + ... + 1590.

2^1055864 is an apocalyptic number.

It is an amenable number.

1055864 is a deficient number, since it is larger than the sum of its proper divisors (958336).

1055864 is a wasteful number, since it uses less digits than its factorization.

1055864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302 (or 2298 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1055864 is about 1027.5524317523. The cubic root of 1055864 is about 101.8284955925.

The spelling of 1055864 in words is "one million, fifty-five thousand, eight hundred sixty-four".