1026381708 has 72 divisors (see below), whose sum is σ = 2835705600. Its totient is φ = 310433760.

The previous prime is 1026381661. The next prime is 1026381709. The reversal of 1026381708 is 8071836201.

1026381708 is a `hidden beast` number, since 1 + 0 + 2 + 638 + 17 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1026381709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235041 + ... + 239367.

It is an arithmetic number, because the mean of its divisors is an integer number (39384800).

Almost surely, 2^1026381708 is an apocalyptic number.

1026381708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026381708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417852800).

1026381708 is an abundant number, since it is smaller than the sum of its proper divisors (1809323892).

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

1026381708 is a wasteful number, since it uses less digits than its factorization.

1026381708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4947 (or 4942 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1026381708 is about 32037.1925736323. The cubic root of 1026381708 is about 1008.7176838134.

The spelling of 1026381708 in words is "one billion, twenty-six million, three hundred eighty-one thousand, seven hundred eight".