1026306 has 48 divisors (see below), whose sum is σ = 2418624. Its totient is φ = 313632.

The previous prime is 1026299. The next prime is 1026313. The reversal of 1026306 is 6036201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1026299) and next prime (1026313).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15285 + ... + 15351.

It is an arithmetic number, because the mean of its divisors is an integer number (50388).

2^1026306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209312).

1026306 is an abundant number, since it is smaller than the sum of its proper divisors (1392318).

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

1026306 is a wasteful number, since it uses less digits than its factorization.

1026306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1026306 is about 1013.0676186711. The cubic root of 1026306 is about 100.8692881515.

The spelling of 1026306 in words is "one million, twenty-six thousand, three hundred six".