1000428326 has 8 divisors (see below), whose sum is σ = 1501903944. Its totient is φ = 499793680.

The previous prime is 1000428293. The next prime is 1000428329. The reversal of 1000428326 is 6238240001.

1000428326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1000428295 and 1000428304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000428329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207260 + ... + 212031.

It is an arithmetic number, because the mean of its divisors is an integer number (187737993).

Almost surely, 2^1000428326 is an apocalyptic number.

1000428326 is a deficient number, since it is larger than the sum of its proper divisors (501475618).

1000428326 is a wasteful number, since it uses less digits than its factorization.

1000428326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420486.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1000428326 is about 31629.5483053426. The cubic root of 1000428326 is about 1000.1427549534.

Adding to 1000428326 its reverse (6238240001), we get a palindrome (7238668327).

The spelling of 1000428326 in words is "one billion, four hundred twenty-eight thousand, three hundred twenty-six".