1055826 has 12 divisors (see below), whose sum is σ = 2287662. Its totient is φ = 351936.

The previous prime is 1055809. The next prime is 1055827. The reversal of 1055826 is 6285501.

It can be written as a sum of positive squares in only one way, i.e., 632025 + 423801 = 795^2 + 651^2 .

It is a super-2 number, since 2×1055826² = 2229537084552, 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 1055826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29311 + ... + 29346.

2^1055826 is an apocalyptic number.

1055826 is an abundant number, since it is smaller than the sum of its proper divisors (1231836).

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

1055826 is a wasteful number, since it uses less digits than its factorization.

1055826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58665 (or 58662 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1055826 is about 1027.5339410453. The cubic root of 1055826 is about 101.8272739929.

Subtracting from 1055826 its product of nonzero digits (2400), we obtain a triangular number (1053426 = T₁₄₅₁).

It can be divided in two parts, 1055 and 826, that added together give a palindrome (1881).

The spelling of 1055826 in words is "one million, fifty-five thousand, eight hundred twenty-six".