1026444 has 24 divisors (see below), whose sum is σ = 2499840. Its totient is φ = 327184.

The previous prime is 1026439. The next prime is 1026449. The reversal of 1026444 is 4446201.

1026444 = T₁₀₁ + T₁₀₂ + ... + T₁₉₂.

It is an interprime number because it is at equal distance from previous prime (1026439) and next prime (1026449).

It is a self number, because there is not a number n which added to its sum of digits gives 1026444.

It is not an unprimeable number, because it can be changed into a prime (1026449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1584 + ... + 2135.

It is an arithmetic number, because the mean of its divisors is an integer number (104160).

2^1026444 is an apocalyptic number.

It is an amenable number.

1026444 is an abundant number, since it is smaller than the sum of its proper divisors (1473396).

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

1026444 is a wasteful number, since it uses less digits than its factorization.

1026444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749 (or 3747 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1026444 is about 1013.1357263467. The cubic root of 1026444 is about 100.8738090052.

The spelling of 1026444 in words is "one million, twenty-six thousand, four hundred forty-four".