1055804 has 6 divisors (see below), whose sum is σ = 1847664. Its totient is φ = 527900.

The previous prime is 1055801. The next prime is 1055809. The reversal of 1055804 is 4085501.

It is a super-2 number, since 2×1055804² = 2229444172832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131972 + ... + 131979.

It is an arithmetic number, because the mean of its divisors is an integer number (307944).

2^1055804 is an apocalyptic number.

It is an amenable number.

1055804 is a deficient number, since it is larger than the sum of its proper divisors (791860).

1055804 is a wasteful number, since it uses less digits than its factorization.

1055804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263955 (or 263953 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1055804 is about 1027.5232357470. The cubic root of 1055804 is about 101.8265667376.

The spelling of 1055804 in words is "one million, fifty-five thousand, eight hundred four".