1026504 has 48 divisors (see below), whose sum is σ = 2843100. Its totient is φ = 334464.

The previous prime is 1026481. The next prime is 1026521. The reversal of 1026504 is 4056201.

It is a happy number.

1026504 is a `hidden beast` number, since 10 + 2 + 650 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 22500 = 1002^2 + 150^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3682 + ... + 3950.

2^1026504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421550).

1026504 is an abundant number, since it is smaller than the sum of its proper divisors (1816596).

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

1026504 is a wasteful number, since it uses less digits than its factorization.

1026504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1026504 is about 1013.1653369515. The cubic root of 1026504 is about 100.8757744674.

The spelling of 1026504 in words is "one million, twenty-six thousand, five hundred four".