1026684 has 54 divisors (see below), whose sum is σ = 2773680. Its totient is φ = 320112.

The previous prime is 1026679. The next prime is 1026709. The reversal of 1026684 is 4866201.

It is a super-4 number, since 4×1026684⁴ (a number of 25 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12957 + ... + 13035.

2^1026684 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 1026684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386840).

1026684 is an abundant number, since it is smaller than the sum of its proper divisors (1746996).

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

1026684 is a wasteful number, since it uses less digits than its factorization.

1026684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1026684 is about 1013.2541635740. The cubic root of 1026684 is about 100.8816703945.

It can be divided in two parts, 102 and 6684, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 1026684 in words is "one million, twenty-six thousand, six hundred eighty-four".